Novak Djokovic [https://www.essentiallysports.com/tag/novak-djokovic/] booked a place in the Australian Open semi-finals and will face Lucas Pouille next. However, it was heartbreak for Japanese player, Kei Nishikori [https://www.essentiallysports.com/tag/kei-nishikori/] as he was forced to retire due to injury. Nishikori had a medical time-out between sets, with the trainer working on a right thigh problem. The final score read 6-1, 4-1 in the Serbian’s favour. Speaking after the match, he said, “I hope he (Nishikori) can recover. I hope it’s not something serious and I wish him a speedy recovery. I’m sorry for everybody not having a full match but thanks for showing up” Novak Djokovic [http://www.essentiallysports.com/wp-content/uploads/djokovic-4.jpg]Novak Djokovic The Serbian World Number 1 also talked about Greek sensation Stefanos Tsitsipas and his remaining rival, Rafael Nadal. “Stefanos is one of the leaders of the Next Generation. Against Roger it’s one of the best quality matches I’ve seen here over the years. Credit to him for playing so maturally and so well. Considering how he’s been playing I’m not surprised to see him in the semi-finals.” “Nadal? Good forehand. A lot of spin. Amazing backhand, forehand, great volleys. He’s just so good!” Looking ahead to his semifinal clash against France’s Lucas Pouille, he said, “I‘m looking forward to the battle. It’s his first grand slam semi-final. He’s made a couple of scalps at the big tournaments. He’s not afraid to play his best on the biggest stage. I’m looking forward to it.” Nishikori retired with a right thigh problem, thus allowing Djokovic a chance to fight another day. Djokovic came into the match with a bang on attitude and managed to break Nishikori right away. Nishikori fought and fought but Djokovic was just too strong. Nishikori even took a medical time-out after the first set loss with the trainer massaging his right thigh. Nishikori got his thigh tightly strapped but the effect lasted only for a while before he lost his movement again. Djokovic got through Nishikori’s serve once more and the Japanese decided that the pain was too much. Pouille, just prior to Djokovic’s match, defeated Milos Raonic 7-6(4), 6-3, 6-7(2), 6-4 in three hours and two minutes. 

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Djokovic Through to Semi-Finals As Nishikori Retires

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<h2><strong>Australian Open: Latest News, Results and Records</strong></h2>
The Australian Open is the youngest of all the Grand Slams, having first started in 1905.

The tournament holds the record for the highest attendance at a Grand Slam event, where 743,667 people attended during the 2018 edition of the Australian Open. It also has the honor of being the first Grand Slam tournament to feature indoor play during wet weather or extreme heat.

There are three main courts, the Rod Laver Arena, the Melbourne Arena and the Margaret Court Arena. Aside from that, they have courts 7 to 15 and even court 19 and 20. The tournament first became open to all from 1969 onwards, a year after the remaining 3 did so.

<img class="aligncenter wp-image-136876 size-full" src="https://www.essentiallysports.com/wp-content/uploads/ao-4.jpg" alt="" width="3000" height="2000" />
<h2><strong>Records</strong></h2>
<a href="https://www.essentiallysports.com/tag/novak-djokovic/">Novak Djokovic</a> is the most successful player of the Australian Open in the Open era. The Serbian star has clinched eight Australian Open titles.

In the women's side of the game, <a href="https://www.essentiallysports.com/tag/serena-williams/">Serena Williams</a> is the most successful player with seven titles to her credit. Again, this was set in the Open era. Overall, Williams is still four behind tennis legend Margaret Court.

The youngest winner in the men's singles game was Australian player Ken Rosewall. Meanwhile, on the women's side, it was Martina Hingis. The players were 18 years, 2 months and 16 years, 4 months old respectively.

With regard to the oldest players, Rosewall bagged this crown at the aged 37 years and 2 months. However, if <a href="https://www.essentiallysports.com/tag/roger-federer/">Roger Federer</a> wins the Australian Open, he could overtake Rosewall. In the women's side of the game, Thelma Long was the oldest winner at 35 years and 8 months.
<h2>Australian Open 2021 Plans</h2>
The two Grand Slams held after the Australian Open 2020 saw major changes than usual. The <a href="https://www.essentiallysports.com/tag/us-open-2020/" target="_blank" rel="noopener noreferrer">US Open 2020</a> and <a href="https://www.essentiallysports.com/tag/french-open-2020/" target="_blank" rel="noopener noreferrer">French Open 2020</a> were held inside a bio-secure bubble on account of the complications arising due to the coronavirus pandemic.

The US Open 2020 was held behind closed doors, while the French Open 2020 saw just 1000 spectators allowed inside the Roland Garros fields.

Australian Open organizers are planning to allow 50 percent of the seats to be filled by fans. This is subject to government clearance. They also <a href="https://www.essentiallysports.com/that-wont-happen-australian-open-2021-proposes-to-relax-strict-quarantine-measures/" target="_blank" rel="noopener noreferrer">plan</a> on introducing relaxations on a lot of the quarantine restrictions the players had in Paris and New York.

While the 14-day quarantine will be there on arrival at Melbourne Park, there is expected to be some freedom for players and their team members.

Australian Open 2021 is expected to be held from January 18-31, 2021.

<img class="alignnone size-full wp-image-99443" src="http://www.essentiallysports.com/wp-content/uploads/2016/01/Australian_Open_logo.svg_.png" alt="" width="1280" height="458" />
<table>
<tbody>
<tr>
<td><b>Edition</b></td>
<td>108th
Open Era (52nd)</td>
</tr>
<tr>
<td><b>Current Prize Money</b></td>
<td>$4.5 million (men's and women's champion)</td>
</tr>
<tr>
<td><strong>Number of Entries (Main Draw)</strong></td>
<td>128</td>
</tr>
<tr>
<td><b>Current Champions</b></td>
<td><strong>Men's Si</strong><strong style="font-family: inherit; font-size: inherit;">ngles</strong><span style="font-family: inherit; font-size: inherit;"> - Novak Djokovic</span>

<strong>Women's Singles</strong> - Sofia Kenin

<strong>Men's Doubles</strong> - Rajeev Ram/Joe Salisbury

<strong>Women's Doubles</strong> - Timea Babos/Kristina Mladenovic

<strong>Mixed Doubles</strong> - Barbora Krejčíková/Nikola Mektic</td>
</tr>
<tr>
<td><b>Most Titles</b></td>
<td><strong>Men's Singles</strong> - Novak Djokovic (8)

<strong>Women's Singles</strong> - Margaret Court (11)

<strong>Men's Doubles</strong> - Adrian Quist (10)

<strong>Women's Doubles</strong> - Thelma Coyne Long (12)

<strong>Mixed Doubles</strong> - Harry Hopman, Colin Long, Daphne Akhurst Cozens, Nell Hall Hopman, Nancye Wynne Bolton, Thelma Coyne Long (4)</td>
</tr>
</tbody>
</table>

Australian Open

Australian Open: Latest News, Results and Records The Australian Open is the youngest of all the Grand Slams, having first started in 1905. The tournament holds the record for the highest attendance at a Grand Slam event, where 743,667 people attended during the 2018 edition of the Australian Open. It also has the honor of being the first Grand Slam tournament to feature indoor play during wet weather or extreme heat. There are three main courts, the Rod Laver Arena, the Melbourne Arena and the Margaret Court Arena. Aside from that, they have courts 7 to 15 and even court 19 and 20. The tournament first became open to all from 1969 onwards, a year after the remaining 3 did so. Records Novak Djokovic is the most successful player of the Australian Open in the Open era. The Serbian star has clinched eight Australian Open titles. In the women&#8217;s side of the game, Serena Williams is the most successful player with seven titles to her credit. Again, this was set in the Open era. Overall, Williams is still four behind tennis legend Margaret Court. The youngest winner in the men&#8217;s singles game was Australian player Ken Rosewall. Meanwhile, on the women&#8217;s side, it was Martina Hingis. The players were 18 years, 2 months and 16 years, 4 months old respectively. With regard to the oldest players, Rosewall bagged this crown at the aged 37 years and 2 months. However, if Roger Federer wins the Australian Open, he could overtake Rosewall. In the women&#8217;s side of the game, Thelma Long was the oldest winner at 35 years and 8 months. Australian Open 2021 Plans The two Grand Slams held after the Australian Open 2020 saw major changes than usual. The US Open 2020 and French Open 2020 were held inside a bio-secure bubble on account of the complications arising due to the coronavirus pandemic. The US Open 2020 was held behind closed doors, while the French Open 2020 saw just 1000 spectators allowed inside the Roland Garros fields. Australian Open organizers are planning to allow 50 percent of the seats to be filled by fans. This is subject to government clearance. They also plan on introducing relaxations on a lot of the quarantine restrictions the players had in Paris and New York. While the 14-day quarantine will be there on arrival at Melbourne Park, there is expected to be some freedom for players and their team members. Australian Open 2021 is expected to be held from January 18-31, 2021.   Edition 108th Open Era (52nd)  Current Prize Money $4.5 million (men&#8217;s and women&#8217;s champion)  Number of Entries (Main Draw) 128  Current Champions Men&#8217;s Singles &#8211; Novak Djokovic Women&#8217;s Singles &#8211; Sofia Kenin Men&#8217;s Doubles &#8211; Rajeev Ram/Joe Salisbury Women&#8217;s Doubles &#8211; Timea Babos/Kristina Mladenovic Mixed Doubles &#8211; Barbora Krejčíková/Nikola Mektic  Most Titles Men&#8217;s Singles &#8211; Novak Djokovic (8) Women&#8217;s Singles &#8211; Margaret Court (11) Men&#8217;s Doubles &#8211; Adrian Quist (10) Women&#8217;s Doubles &#8211; Thelma Coyne Long (12) Mixed Doubles &#8211; Harry Hopman, Colin Long, Daphne Akhurst Cozens, Nell Hall Hopman, Nancye Wynne Bolton, Thelma Coyne Long (4)

Australian Open Archives

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<h3><strong>Kei Nishikori 2021: Net Worth, Salary and Endorsements</strong></h3>
Kei Nishikori is considered one of Japan's best-ever tennis stars. The 31-year-old reached a career-high of world number 4 in March 2015. The Japanese player is currently the world number 41 in the ATP ranking.

While he hasn't won a Grand Slam yet, the closest he got was at the 2014 US Open, where he reached the final. Sadly, he lost to Marin Cilic and had to settle for the runners-up spot.

[caption id="attachment_456990" align="alignnone" width="1920"]<img class="size-full wp-image-456990" src="https://www.essentiallysports.com/wp-content/uploads/GettyImages-1089306266.jpg" alt="Kei Nishikori" width="1920" height="1280" /> Kei Nishikori of Japan playa a backhand his match against Grigor Dimitrov during day five of the 2019 Brisbane International at Pat Rafter Arena in Brisbane, Australia. (Photo by Chris Hyde/Getty Images)[/caption]
<h3>Kei Nishikori: Net Worth and Earnings 2021</h3>
In 2020, he was the sixth highest-paid tennis player in the world while he is currently on the 40th spot on the Forbes <a href="https://www.forbes.com/profile/kei-nishikori/?sh=5842c2d03588" target="_blank" rel="noopener noreferrer">list</a> of highest-paid athletes.

His total earnings aggregate to $32.1 million, which includes his career <a href="https://www.atptour.com/en/players/kei-nishikori/n552/overview" target="_blank" rel="noopener noreferrer">prize-money</a> of $24,020,635 from both singles and doubles tennis.

Nishikori has an estimated net worth of $24 million.
<h3><strong>On-court Achievements</strong></h3>
As mentioned before, he reached the final of the 2014 US Open. Other than that, he has gotten as far as the quarterfinals at the Australian Open, the French Open, and Wimbledon.

In fact, he has reached the quarterfinals on nine occasions across those three Grand Slams but has not managed to reach the semi-finals.

Nishikori won the Bronze medal at the Rio Olympics, and it happens to be the biggest victory of his career. The medal was also Japan's first Olympic tennis medal in 96 years.

[caption id="attachment_456991" align="alignnone" width="1920"]<img class="size-full wp-image-456991" src="https://www.essentiallysports.com/wp-content/uploads/GettyImages-1083442212.jpg" alt="Kei Nishikori of Japan" width="1920" height="1280" /> MELBOURNE, AUSTRALIA - JANUARY 17: Kei Nishikori of Japan celebrates winning match point in his second-round match against Ivo Karlovic of Croatia during day four of the 2019 Australian Open at Melbourne Park on January 17, 2019, in Melbourne, Australia. (Photo by Michael Dodge/Getty Images)[/caption]

With regard to his ATP record, he has claimed 12 ATP titles so far. Nishikori has also had several rivalries with the likes of <a href="https://www.essentiallysports.com/tag/stan-wawrinka/">Stan Wawrinka</a>, Milos Raonic, Marin Cilic, and <a href="https://www.essentiallysports.com/tag/david-ferrer/">David Ferrer</a>.

He has also reached the semi-finals twice at the season-ending ATP Finals.

<iframe src="https://www.youtube.com/embed/_RSOnb-MxEk" width="853" height="480" frameborder="0" allowfullscreen="allowfullscreen"></iframe>
<h3><strong>Kei Nishikori's Endorsements and Sponsors 2021</strong></h3>
Nishikori is sponsored <a href="https://www.keinishikori.com/en/" target="_blank" rel="noopener noreferrer">by</a> the likes of <strong>Asahi</strong>, <strong>NTT</strong>, <strong>Nissin</strong>, <strong>Uniqlo</strong>, <strong>Wilson, Weider, Jaccs, Nike, Uber Eats, IMG, Wowow,</strong> <strong>Lixil</strong>, <strong>Procter &amp; Gamble</strong>, <strong>JAL</strong>, <strong>Jaguar</strong>, <strong>Air weave</strong> and <strong>Japan Airlines.</strong>
<h3>How to contact Kei Nishikori?</h3>
Twitter - <a href="https://twitter.com/keinishikori?s=17" target="_blank" rel="noopener noreferrer">@keinishikori</a>

Instagram - <a href="https://www.instagram.com/keinishikori/?hl=en" target="_blank" rel="noopener noreferrer">Kei Nishikori</a>
<table>
<tbody>
<tr>
<td width="132">Age</td>
<td width="142">31</td>
</tr>
<tr>
<td width="132">Height</td>
<td width="142">5 ft 10 in</td>
</tr>
<tr>
<td width="132">Coach</td>
<td width="142">Michael Chang</td>
</tr>
<tr>
<td width="132">Net Worth</td>
<td width="142">$24 million</td>
</tr>
<tr>
<td width="132">Marital Status</td>
<td width="142">Not Married</td>
</tr>
<tr>
<td width="132">Spouse</td>
<td width="142">None</td>
</tr>
<tr>
<td width="132">Residence</td>
<td width="142">Bradenton, Florida, United States</td>
</tr>
<tr>
<td width="132">Nationality</td>
<td width="142">Japanese</td>
</tr>
<tr>
<td width="132">Endorsements</td>
<td width="142">Nissin, Uniqlo, Jaguar, Japan Airlines, Asahi, NTT, Lixil, Procter and Gamble.</td>
</tr>
</tbody>
</table>

Kei Nishikori

Kei Nishikori 2021: Net Worth, Salary and Endorsements Kei Nishikori is considered one of Japan&#8217;s best-ever tennis stars. The 31-year-old reached a career-high of world number 4 in March 2015. The Japanese player is currently the world number 41 in the ATP ranking. While he hasn&#8217;t won a Grand Slam yet, the closest he got was at the 2014 US Open, where he reached the final. Sadly, he lost to Marin Cilic and had to settle for the runners-up spot. Kei Nishikori of Japan playa a backhand his match against Grigor Dimitrov during day five of the 2019 Brisbane International at Pat Rafter Arena in Brisbane, Australia. (Photo by Chris Hyde/Getty Images) Kei Nishikori: Net Worth and Earnings 2021 In 2020, he was the sixth highest-paid tennis player in the world while he is currently on the 40th spot on the Forbes list of highest-paid athletes. His total earnings aggregate to $32.1 million, which includes his career prize-money of $24,020,635 from both singles and doubles tennis. Nishikori has an estimated net worth of $24 million. On-court Achievements As mentioned before, he reached the final of the 2014 US Open. Other than that, he has gotten as far as the quarterfinals at the Australian Open, the French Open, and Wimbledon. In fact, he has reached the quarterfinals on nine occasions across those three Grand Slams but has not managed to reach the semi-finals. Nishikori won the Bronze medal at the Rio Olympics, and it happens to be the biggest victory of his career. The medal was also Japan&#8217;s first Olympic tennis medal in 96 years. MELBOURNE, AUSTRALIA &#8211; JANUARY 17: Kei Nishikori of Japan celebrates winning match point in his second-round match against Ivo Karlovic of Croatia during day four of the 2019 Australian Open at Melbourne Park on January 17, 2019, in Melbourne, Australia. (Photo by Michael Dodge/Getty Images) With regard to his ATP record, he has claimed 12 ATP titles so far. Nishikori has also had several rivalries with the likes of Stan Wawrinka, Milos Raonic, Marin Cilic, and David Ferrer. He has also reached the semi-finals twice at the season-ending ATP Finals. Kei Nishikori&#8217;s Endorsements and Sponsors 2021 Nishikori is sponsored by the likes of Asahi, NTT, Nissin, Uniqlo, Wilson, Weider, Jaccs, Nike, Uber Eats, IMG, Wowow, Lixil, Procter &amp; Gamble, JAL, Jaguar, Air weave and Japan Airlines. How to contact Kei Nishikori? Twitter &#8211; @keinishikori Instagram &#8211; Kei Nishikori  Age 31  Height 5 ft 10 in  Coach Michael Chang  Net Worth $24 million  Marital Status Not Married  Spouse None  Residence Bradenton, Florida, United States  Nationality Japanese  Endorsements Nissin, Uniqlo, Jaguar, Japan Airlines, Asahi, NTT, Lixil, Procter and Gamble.

Kei Nishikori Archives

Kei Nishikori Archives - EssentiallySports

Novak Djokovic

Novak Djokovic Archives

Novak Djokovic Archives - EssentiallySports

<strong>History</strong>

The sport of tennis is said to originate from the 12th century in France. However, at that time, players were using their palms to hit the ball. From the 16th century onwards, rackets began to be put in use.

But it was only from the 19th century onwards that it became a serious game. A typical tennis match consists of games. Players score 15 points to 30 points to 40 points and finally a game. In the event of 40-40, also known as a deuce, a player has to gain an advantage and win the next point to win the game.

The first to reach 6 games with a minimum gap of 2 games wins a set. However, if one player wins 6 games and the other wins 5, the leading player has to win a 7th game before his opponent. In the event of six games all, on certain occasions, a tiebreak is played until a player either reaches 6 games or wins by 2 games if both reach 6 games.

Coming to sets, there are 2 types of matches, 3-set matches and 5-set matches. In the event of the former, if a player earns 2 set wins, he or she wins the match. In the latter's case, it is a case of a player winning at least 3 sets.

<img class="size-full wp-image-108658 aligncenter" src="http://www.essentiallysports.com/wp-content/uploads/2015/09/tennis-court-us-open.gif" alt="Psychology of Tennis" width="600" height="353" />

There are various tennis tournaments held throughout the year. But the ultimate tournaments are known as Grand Slams. There are four main Grand Slams held every year. In chronological order, they are the Australian Open, the French Open, Wimbledon and the US Open. Out of the four, Wimbledon is the oldest, first being held in 1877. The Australian Open is the youngest, first being held in 1905.

With regard to players, Margaret Court holds the record for the most Grand Slam wins for women. In the men's section, it is Roger Federer.
<table>
<tbody>
<tr>
<td width="319"><strong>Maximum Number of Players on Court</strong></td>
<td width="319">2</td>
</tr>
<tr>
<td width="319"><strong>Number of Grand Slams per Year</strong></td>
<td width="319">4</td>
</tr>
<tr>
<td width="319"><strong>Maximum Number of Grand Slams Won by a Male</strong></td>
<td width="319">20 (Roger Federer)</td>
</tr>
<tr>
<td width="319"><strong>Maximum Number of Grand Slams Won by a Female </strong></td>
<td width="319">24 (Margaret Court)</td>
</tr>
</tbody>
</table>

History The sport of tennis is said to originate from the 12th century in France. However, at that time, players were using their palms to hit the ball. From the 16th century onwards, rackets began to be put in use. But it was only from the 19th century onwards that it became a serious game. A typical tennis match consists of games. Players score 15 points to 30 points to 40 points and finally a game. In the event of 40-40, also known as a deuce, a player has to gain an advantage and win the next point to win the game. The first to reach 6 games with a minimum gap of 2 games wins a set. However, if one player wins 6 games and the other wins 5, the leading player has to win a 7th game before his opponent. In the event of six games all, on certain occasions, a tiebreak is played until a player either reaches 6 games or wins by 2 games if both reach 6 games. Coming to sets, there are 2 types of matches, 3-set matches and 5-set matches. In the event of the former, if a player earns 2 set wins, he or she wins the match. In the latter&#8217;s case, it is a case of a player winning at least 3 sets. There are various tennis tournaments held throughout the year. But the ultimate tournaments are known as Grand Slams. There are four main Grand Slams held every year. In chronological order, they are the Australian Open, the French Open, Wimbledon and the US Open. Out of the four, Wimbledon is the oldest, first being held in 1877. The Australian Open is the youngest, first being held in 1905. With regard to players, Margaret Court holds the record for the most Grand Slam wins for women. In the men&#8217;s section, it is Roger Federer.  Maximum Number of Players on Court 2  Number of Grand Slams per Year 4  Maximum Number of Grand Slams Won by a Male 20 (Roger Federer)  Maximum Number of Grand Slams Won by a Female  24 (Margaret Court)