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Tennis - French Open - Roland Garros - Viktor Troicki of Serbia v Stan Wawrinka of Switzerland - Paris, France - 29/05/16. Wawrinka reacts at the end of his match. REUTERS/Gonzalo Fuentes
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Tennis - French Open - Roland Garros - Viktor Troicki of Serbia v Stan Wawrinka of Switzerland - Paris, France -
![Impressive Wawrinka moves into quarters | The Guardian Nigeria News - Nigeria and World News — Sport — The Guardian Nigeria News – Nigeria and World News Impressive Wawrinka moves into quarters | The Guardian Nigeria News - Nigeria and World News — Sport — The Guardian Nigeria News – Nigeria and World News](https://guardian.ng/wp-content/uploads/2017/01/Stan-Wawrinka.jpg)
Impressive Wawrinka moves into quarters | The Guardian Nigeria News - Nigeria and World News — Sport — The Guardian Nigeria News – Nigeria and World News
Roger Federer of Switzerland returns the ball against Viktor Troicki... Foto di attualità - Getty Images
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23.10.2012 Basel, Switzerland. Grigor Dimitrov of Bulgaria in action during the Swiss Indoors ATP World
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