![Anna Kournikova of Russia hits a return during an exhibition match with her playing partner Martina Hingis of Switzerland against Pat Cash of Australia and Mats Wilander of Sweden at the U.S. Anna Kournikova of Russia hits a return during an exhibition match with her playing partner Martina Hingis of Switzerland against Pat Cash of Australia and Mats Wilander of Sweden at the U.S.](https://c8.alamy.com/comp/2CYPMEG/anna-kournikova-of-russia-hits-a-return-during-an-exhibition-match-with-her-playing-partner-martina-hingis-of-switzerland-against-pat-cash-of-australia-and-mats-wilander-of-sweden-at-the-us-open-tennis-tournament-in-new-york-september-9-2010-reuterskevin-lamarque-united-states-tags-sport-tennis-2CYPMEG.jpg)
Anna Kournikova of Russia hits a return during an exhibition match with her playing partner Martina Hingis of Switzerland against Pat Cash of Australia and Mats Wilander of Sweden at the U.S.
![Martina Hingis of Switzerland shoots autographed balls to fans after she played an exhibition tennis match with Himari Sato, an 11-year-old Japanese tennis player, at the Pan Pacific Open tennis tournament in Martina Hingis of Switzerland shoots autographed balls to fans after she played an exhibition tennis match with Himari Sato, an 11-year-old Japanese tennis player, at the Pan Pacific Open tennis tournament in](https://c8.alamy.com/comp/2CX8W8D/martina-hingis-of-switzerland-shoots-autographed-balls-to-fans-after-she-played-an-exhibition-tennis-match-with-himari-sato-an-11-year-old-japanese-tennis-player-at-the-pan-pacific-open-tennis-tournament-in-tokyo-september-28-2013-reutersyuya-shino-japan-tags-sport-tennis-2CX8W8D.jpg)
Martina Hingis of Switzerland shoots autographed balls to fans after she played an exhibition tennis match with Himari Sato, an 11-year-old Japanese tennis player, at the Pan Pacific Open tennis tournament in
![Pete Sampras of the U.S. gestures during his exhibition tennis match against Roger Federer of Switzerland in Kuala Lumpur November 22, 2007. REUTERS/Zainal Abd Halim (MALAYSIA Stock Photo - Alamy Pete Sampras of the U.S. gestures during his exhibition tennis match against Roger Federer of Switzerland in Kuala Lumpur November 22, 2007. REUTERS/Zainal Abd Halim (MALAYSIA Stock Photo - Alamy](https://c8.alamy.com/comp/2E88M1W/pete-sampras-of-the-us-gestures-during-his-exhibition-tennis-match-against-roger-federer-of-switzerland-in-kuala-lumpur-november-22-2007-reuterszainal-abd-halim-malaysia-2E88M1W.jpg)
Pete Sampras of the U.S. gestures during his exhibition tennis match against Roger Federer of Switzerland in Kuala Lumpur November 22, 2007. REUTERS/Zainal Abd Halim (MALAYSIA Stock Photo - Alamy
![Roger Federer of Switzerland celebrates his winning of the invitational exhibition tennis match against Pete Sampras of the U.S. in Seoul November 20, 2007. Federer won 6-4, 6-3. REUTERS/Jo Yong-Hak (SOUTH KOREA Roger Federer of Switzerland celebrates his winning of the invitational exhibition tennis match against Pete Sampras of the U.S. in Seoul November 20, 2007. Federer won 6-4, 6-3. REUTERS/Jo Yong-Hak (SOUTH KOREA](https://c8.alamy.com/comp/2E84A6W/roger-federer-of-switzerland-celebrates-his-winning-of-the-invitational-exhibition-tennis-match-against-pete-sampras-of-the-us-in-seoul-november-20-2007-federer-won-6-4-6-3-reutersjo-yong-hak-south-korea-2E84A6W.jpg)
Roger Federer of Switzerland celebrates his winning of the invitational exhibition tennis match against Pete Sampras of the U.S. in Seoul November 20, 2007. Federer won 6-4, 6-3. REUTERS/Jo Yong-Hak (SOUTH KOREA
![Roger Federer And Grigor Dimitrov To Play In An Exhibition Match At Madison Square Garden, Both Players Through To The Second Round Of Swiss Indoors Roger Federer And Grigor Dimitrov To Play In An Exhibition Match At Madison Square Garden, Both Players Through To The Second Round Of Swiss Indoors](https://www.ibtimes.com.au/sites/au.ibtimes.com/files/styles/v2_article_large/public/2014/10/23/453164-roger-federer-of-switzerland-dodges-a-tennis-racket-thrown-by-andy-rod.jpg?itok=z9jEOo2g)
Roger Federer And Grigor Dimitrov To Play In An Exhibition Match At Madison Square Garden, Both Players Through To The Second Round Of Swiss Indoors
![Tennis Grasshopper Club Zurich Switzerland 1961 - original vintage sport poster advertising the Tennis Exhibition Pr… in 2021 | Sport poster, Vintage sports, Tennis players Tennis Grasshopper Club Zurich Switzerland 1961 - original vintage sport poster advertising the Tennis Exhibition Pr… in 2021 | Sport poster, Vintage sports, Tennis players](https://i.pinimg.com/736x/b8/88/f6/b888f61decfae1c810698ca867e8f4cf.jpg)
Tennis Grasshopper Club Zurich Switzerland 1961 - original vintage sport poster advertising the Tennis Exhibition Pr… in 2021 | Sport poster, Vintage sports, Tennis players
![Roger Federer of Switzerland looks to head a giant tennis ball during an exhibition of soccer and tennis in Bogota December 15, 2012. REUTERS/John Vizcaino (COLOMBIA - Tags: SPORT TENNIS Stock Photo - Alamy Roger Federer of Switzerland looks to head a giant tennis ball during an exhibition of soccer and tennis in Bogota December 15, 2012. REUTERS/John Vizcaino (COLOMBIA - Tags: SPORT TENNIS Stock Photo - Alamy](https://c8.alamy.com/comp/2CYE3FJ/roger-federer-of-switzerland-looks-to-head-a-giant-tennis-ball-during-an-exhibition-of-soccer-and-tennis-in-bogota-december-15-2012-reutersjohn-vizcaino-colombia-tags-sport-tennis-2CYE3FJ.jpg)