![Retired Russian tennis star Anna Kournikova (L) jokes with former world number one Martina Hingis of Switzerland before their exhibition match at Copacabana beach in Rio de Janeiro December 10, 2005. REUTERS/Bruno Retired Russian tennis star Anna Kournikova (L) jokes with former world number one Martina Hingis of Switzerland before their exhibition match at Copacabana beach in Rio de Janeiro December 10, 2005. REUTERS/Bruno](https://c8.alamy.com/comp/2E7HF9B/retired-russian-tennis-star-anna-kournikova-l-jokes-with-former-world-number-one-martina-hingis-of-switzerland-before-their-exhibition-match-at-copacabana-beach-in-rio-de-janeiro-december-10-2005-reutersbruno-domingos-2E7HF9B.jpg)
Retired Russian tennis star Anna Kournikova (L) jokes with former world number one Martina Hingis of Switzerland before their exhibition match at Copacabana beach in Rio de Janeiro December 10, 2005. REUTERS/Bruno
![Martina Hingis (L) of Switzerland and Anna Kournikova of Russia talk strategy during their doubles match against Laura… | Martina hingis, Tennis stars, Monica seles Martina Hingis (L) of Switzerland and Anna Kournikova of Russia talk strategy during their doubles match against Laura… | Martina hingis, Tennis stars, Monica seles](https://i.pinimg.com/736x/0a/bd/df/0abddf060b5628d071de3dea565bcbe1.jpg)
Martina Hingis (L) of Switzerland and Anna Kournikova of Russia talk strategy during their doubles match against Laura… | Martina hingis, Tennis stars, Monica seles
![Anna Kournikova of Russia, along with Martina Hingis of Switzerland, takes on Pat Cash of Australia and Mats Wilande of Swedan during the exhibition doubles match at the U.S. Open held at Anna Kournikova of Russia, along with Martina Hingis of Switzerland, takes on Pat Cash of Australia and Mats Wilande of Swedan during the exhibition doubles match at the U.S. Open held at](https://c8.alamy.com/comp/TYM10C/anna-kournikova-of-russia-along-with-martina-hingis-of-switzerland-takes-on-pat-cash-of-australia-and-mats-wilande-of-swedan-during-the-exhibition-doubles-match-at-the-us-open-held-at-the-national-tennis-center-on-september-9-2010-in-new-york-upi-monika-graff-TYM10C.jpg)
Anna Kournikova of Russia, along with Martina Hingis of Switzerland, takes on Pat Cash of Australia and Mats Wilande of Swedan during the exhibition doubles match at the U.S. Open held at
![Anna Kournikova of Russia (L) sticks out her tongue next to Martina Hingis of Switzerland during their Ladies Inv… | Anna kournikova, Martina hingis, Tennis fashion Anna Kournikova of Russia (L) sticks out her tongue next to Martina Hingis of Switzerland during their Ladies Inv… | Anna kournikova, Martina hingis, Tennis fashion](https://i.pinimg.com/564x/93/c0/11/93c011d0e7a4915f68420260acf6b46b.jpg)
Anna Kournikova of Russia (L) sticks out her tongue next to Martina Hingis of Switzerland during their Ladies Inv… | Anna kournikova, Martina hingis, Tennis fashion
![Anna Kournikova of Russia, along with Martina Hingis of Switzerland, takes on Pat Cash of Australia and Mats Wilande of Swedan during the exhibition doubles match at the U.S. Open held at Anna Kournikova of Russia, along with Martina Hingis of Switzerland, takes on Pat Cash of Australia and Mats Wilande of Swedan during the exhibition doubles match at the U.S. Open held at](https://c8.alamy.com/comp/TYM10D/anna-kournikova-of-russia-along-with-martina-hingis-of-switzerland-takes-on-pat-cash-of-australia-and-mats-wilande-of-swedan-during-the-exhibition-doubles-match-at-the-us-open-held-at-the-national-tennis-center-on-september-9-2010-in-new-york-upi-monika-graff-TYM10D.jpg)
Anna Kournikova of Russia, along with Martina Hingis of Switzerland, takes on Pat Cash of Australia and Mats Wilande of Swedan during the exhibition doubles match at the U.S. Open held at
![Martina Hingus of Switzerland and Anna Kournikova of Russia look to a ball boy during their doubles match against Tatiana P… | Tenniskleid, Sportler, Martina hingis Martina Hingus of Switzerland and Anna Kournikova of Russia look to a ball boy during their doubles match against Tatiana P… | Tenniskleid, Sportler, Martina hingis](https://i.pinimg.com/736x/c2/92/f5/c292f5e267d8e458d2ffa53e2098815a.jpg)
Martina Hingus of Switzerland and Anna Kournikova of Russia look to a ball boy during their doubles match against Tatiana P… | Tenniskleid, Sportler, Martina hingis
![Tennis - US Open 2002 - New York - USA - 26/8 - 8/9/02 Anna Kournikova - Russland und sie Doubles Partner Martina Hingis - Schweiz obligatorische Gutschrift:Action Images / Rudy Lhomme Stockfotografie - Alamy Tennis - US Open 2002 - New York - USA - 26/8 - 8/9/02 Anna Kournikova - Russland und sie Doubles Partner Martina Hingis - Schweiz obligatorische Gutschrift:Action Images / Rudy Lhomme Stockfotografie - Alamy](https://c8.alamy.com/compde/2ebfpe2/tennis-us-open-2002-new-york-usa-268-8902-anna-kournikova-russland-und-sie-doubles-partner-martina-hingis-schweiz-obligatorische-gutschriftaction-images-rudy-lhomme-2ebfpe2.jpg)
Tennis - US Open 2002 - New York - USA - 26/8 - 8/9/02 Anna Kournikova - Russland und sie Doubles Partner Martina Hingis - Schweiz obligatorische Gutschrift:Action Images / Rudy Lhomme Stockfotografie - Alamy
![Doubles partners Martina Hingis (R) of Switzerland and Anna Kournikova of Russia celebrate winning their second round doubles match at the Italian Open May 4. The Australian Open doubles champions won the Doubles partners Martina Hingis (R) of Switzerland and Anna Kournikova of Russia celebrate winning their second round doubles match at the Italian Open May 4. The Australian Open doubles champions won the](https://c8.alamy.com/zooms/6/afdc0f196e2040259da1b294d801f14d/2d5bgmn.jpg)
Doubles partners Martina Hingis (R) of Switzerland and Anna Kournikova of Russia celebrate winning their second round doubles match at the Italian Open May 4. The Australian Open doubles champions won the
![Anna Kournikova of Russia and Martina Hingis of Switzerland congratulate one another after the doubles match in the US Open at the USTA National..… | Martina hingis Anna Kournikova of Russia and Martina Hingis of Switzerland congratulate one another after the doubles match in the US Open at the USTA National..… | Martina hingis](https://i.pinimg.com/474x/6e/0b/d2/6e0bd20651b8d1a553ee8cc9ab9fa505--in-the-us-the-double.jpg)