![Former world no. 1 Martina Hingis (pictured) of Switzerland is seen during the friendly tennis match..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201405170337301 | agefotostock Former world no. 1 Martina Hingis (pictured) of Switzerland is seen during the friendly tennis match..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201405170337301 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/ba95ed89b5d1d8fd60ee9f6a834182b3/ckp-p201405170337301.jpg)
Former world no. 1 Martina Hingis (pictured) of Switzerland is seen during the friendly tennis match..., Stock Photo, Picture And Rights Managed Image. Pic. CKP-P201405170337301 | agefotostock
![Martina Hingis of Switzerland is dejected against Jennifer Capriati of the USA during the Womens Singles Final d… | Martina hingis, Jennifer capriati, Tennisspieler Martina Hingis of Switzerland is dejected against Jennifer Capriati of the USA during the Womens Singles Final d… | Martina hingis, Jennifer capriati, Tennisspieler](https://i.pinimg.com/originals/74/e4/50/74e45051276b44aa22d79ba2e1a5775f.jpg)
Martina Hingis of Switzerland is dejected against Jennifer Capriati of the USA during the Womens Singles Final d… | Martina hingis, Jennifer capriati, Tennisspieler
Former tennis star Martina Hingis of Switzerland returns a ball in... Nachrichtenfoto - Getty Images
![Martina Hingis, of Switzerland, pictured, and Chan Yung-Jan, of Taiwan, Stock Photo, Picture And Rights Managed Image. Pic. CKP-F201709111004301 | agefotostock Martina Hingis, of Switzerland, pictured, and Chan Yung-Jan, of Taiwan, Stock Photo, Picture And Rights Managed Image. Pic. CKP-F201709111004301 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/bf3ea5fdcedad0088b03a5c068ad4096/ckp-f201709111004301.jpg)
Martina Hingis, of Switzerland, pictured, and Chan Yung-Jan, of Taiwan, Stock Photo, Picture And Rights Managed Image. Pic. CKP-F201709111004301 | agefotostock
![Martina Hingis, Swiss professional tennis player renews her contract with Batmaid for three more years. | blog Martina Hingis, Swiss professional tennis player renews her contract with Batmaid for three more years. | blog](https://batmaid.ch/blog/images/3/a/0/0/d/3a00d388d2c289c6147ba6cc69c23dabe033e06c-int1.jpeg)
Martina Hingis, Swiss professional tennis player renews her contract with Batmaid for three more years. | blog
![Martina Hingis of Switzerland gestures with her racquet during the Women's Singles third round match against Laura… | Martina hingis, Tennisspieler, Serena williams Martina Hingis of Switzerland gestures with her racquet during the Women's Singles third round match against Laura… | Martina hingis, Tennisspieler, Serena williams](https://i.pinimg.com/originals/a8/da/99/a8da9954a3b6605c031b9aacb3665e4a.jpg)
Martina Hingis of Switzerland gestures with her racquet during the Women's Singles third round match against Laura… | Martina hingis, Tennisspieler, Serena williams
Tennis player Martina Hingis of Switzerland hits a return during the... Nachrichtenfoto - Getty Images
![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)