![Jo-Wilfried Tsonga, Ana Ivanovic, Serena Williams, Novak Djokovic, Roger Federer and Victoria Azarenka during the kids day at the Australian Open tennis tournament at Melbourne Park in Melbourne, Australia on January 12, Jo-Wilfried Tsonga, Ana Ivanovic, Serena Williams, Novak Djokovic, Roger Federer and Victoria Azarenka during the kids day at the Australian Open tennis tournament at Melbourne Park in Melbourne, Australia on January 12,](https://c8.alamy.com/comp/2DYCN9W/jo-wilfried-tsonga-ana-ivanovic-serena-williams-novak-djokovic-roger-federer-and-victoria-azarenka-during-the-kids-day-at-the-australian-open-tennis-tournament-at-melbourne-park-in-melbourne-australia-on-january-12-2013-photo-by-corinne-dubreuilabacapresscom-2DYCN9W.jpg)
Jo-Wilfried Tsonga, Ana Ivanovic, Serena Williams, Novak Djokovic, Roger Federer and Victoria Azarenka during the kids day at the Australian Open tennis tournament at Melbourne Park in Melbourne, Australia on January 12,
Australian Open - Ana Ivanovic has knocked out No. 1 seed Serena Williams 4-6 6-3 6-3. #Adje! #ausopen | Facebook
![KEY BISCAYNE, FL - MARCH 18: Serena Williams Ana Ivanovic at the Fifth Annual Ritz-Carlton Key Biscayne, Miami All-Star Charity Tennis Event at the Ritz Hotel on March 18, 2014 in Key KEY BISCAYNE, FL - MARCH 18: Serena Williams Ana Ivanovic at the Fifth Annual Ritz-Carlton Key Biscayne, Miami All-Star Charity Tennis Event at the Ritz Hotel on March 18, 2014 in Key](https://c8.alamy.com/comp/KR0X1A/key-biscayne-fl-march-18-serena-williams-ana-ivanovic-at-the-fifth-KR0X1A.jpg)
KEY BISCAYNE, FL - MARCH 18: Serena Williams Ana Ivanovic at the Fifth Annual Ritz-Carlton Key Biscayne, Miami All-Star Charity Tennis Event at the Ritz Hotel on March 18, 2014 in Key
![There is a lot more pressure on women to perform, so I think what Serena Williams achieved is great and it is going to be very hard to repeat" - Ana Ivanovic There is a lot more pressure on women to perform, so I think what Serena Williams achieved is great and it is going to be very hard to repeat" - Ana Ivanovic](https://staticg.sportskeeda.com/editor/2022/05/9561a-16530569313050-1920.jpg)
There is a lot more pressure on women to perform, so I think what Serena Williams achieved is great and it is going to be very hard to repeat" - Ana Ivanovic
![Serena Williams on Twitter: "@AnaIvanovic my goodness I will miss your smile. All my love ❤️❤️" / Twitter Serena Williams on Twitter: "@AnaIvanovic my goodness I will miss your smile. All my love ❤️❤️" / Twitter](https://pbs.twimg.com/media/C0zEUU2WEAAYr5B.jpg)
Serena Williams on Twitter: "@AnaIvanovic my goodness I will miss your smile. All my love ❤️❤️" / Twitter
![US Open 2011: Serena Williams beats Ana Ivanovic to reach last eight | Serena Williams | The Guardian US Open 2011: Serena Williams beats Ana Ivanovic to reach last eight | Serena Williams | The Guardian](https://i.guim.co.uk/img/static/sys-images/Sport/Pix/columnists/2011/9/5/1315257552664/Serena-Williams-hits-a-re-007.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctZGVmYXVsdC5wbmc&enable=upscale&s=ff2663cd7a17b0c97f0ce0db97d5d273)
US Open 2011: Serena Williams beats Ana Ivanovic to reach last eight | Serena Williams | The Guardian
![Serena Williams admits to injury worries before defeat by Ana Ivanovic | Serena Williams | The Guardian Serena Williams admits to injury worries before defeat by Ana Ivanovic | Serena Williams | The Guardian](https://i.guim.co.uk/img/static/sys-images/Sport/Pix/columnists/2014/1/19/1390151370296/Serena-Williams-Ana-Ivano-011.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctYWdlLTIwMTQucG5n&enable=upscale&s=e5139aebb7b44c194c6437047eff9dcb)