![Patty Schnyder of Switzerland reacts after beating Italy's Karin Knapp, during their third round match of the French Open tennis tournament, at the Roland Garros stadium, in Paris, Saturday, June 2, 2007. Patty Schnyder of Switzerland reacts after beating Italy's Karin Knapp, during their third round match of the French Open tennis tournament, at the Roland Garros stadium, in Paris, Saturday, June 2, 2007.](https://c8.alamy.com/comp/2NG4K62/patty-schnyder-of-switzerland-reacts-after-beating-italys-karin-knapp-during-their-third-round-match-of-the-french-open-tennis-tournament-at-the-roland-garros-stadium-in-paris-saturday-june-2-2007-schnyder-won-6-1-4-6-7-5-ap-photomichel-spingler-2NG4K62.jpg)
Patty Schnyder of Switzerland reacts after beating Italy's Karin Knapp, during their third round match of the French Open tennis tournament, at the Roland Garros stadium, in Paris, Saturday, June 2, 2007.
![Australian Open 2014: Maria Sharapova outlasts heat and Karin Knapp in three and a half hours at sweltering Aussie Open | Daily Mail Online Australian Open 2014: Maria Sharapova outlasts heat and Karin Knapp in three and a half hours at sweltering Aussie Open | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2014/01/16/article-2540348-1AB2DEC800000578-472_634x501.jpg)
Australian Open 2014: Maria Sharapova outlasts heat and Karin Knapp in three and a half hours at sweltering Aussie Open | Daily Mail Online
![Italy's Karin Knapp plays Romanian Simona Halep at Rod Laver Arena in their first round match during the Australian Open at Melbourne Park, Melbourne, Monday, Jan. 19, 2015. The Australian Open tennis Italy's Karin Knapp plays Romanian Simona Halep at Rod Laver Arena in their first round match during the Australian Open at Melbourne Park, Melbourne, Monday, Jan. 19, 2015. The Australian Open tennis](https://c8.alamy.com/comp/2JWY5HE/italys-karin-knapp-plays-romanian-simona-halep-at-rod-laver-arena-in-their-first-round-match-during-the-australian-open-at-melbourne-park-melbourne-monday-jan-19-2015-the-australian-open-tennis-tournament-will-go-from-the-19th-of-january-until-the-1st-of-february-2015-and-is-australias-foremost-annual-tennis-event-aapimage-joe-castro-2JWY5HE.jpg)