![Gilles Muller of Luxembourg reacts after defeating Igor Kunitsyn of Russia during the U.S. Open tennis tournament in New York, Sunday, Sept. 4, 2011. (AP Photo/Paul J. Bereswill Stock Photo - Alamy Gilles Muller of Luxembourg reacts after defeating Igor Kunitsyn of Russia during the U.S. Open tennis tournament in New York, Sunday, Sept. 4, 2011. (AP Photo/Paul J. Bereswill Stock Photo - Alamy](https://c8.alamy.com/comp/2NB9J83/gilles-muller-of-luxembourg-reacts-after-defeating-igor-kunitsyn-of-russia-during-the-us-open-tennis-tournament-in-new-york-sunday-sept-4-2011-ap-photopaul-j-bereswill-2NB9J83.jpg)
Gilles Muller of Luxembourg reacts after defeating Igor Kunitsyn of Russia during the U.S. Open tennis tournament in New York, Sunday, Sept. 4, 2011. (AP Photo/Paul J. Bereswill Stock Photo - Alamy
![Gilles Muller of Luxembourg hits a backhand to Benoit Paire of France during their men's quarterfinal singles match at the Sydney International tennis tournament in Sydney, Thursday, Jan. 11, 2018. (AP Photo/Rick Gilles Muller of Luxembourg hits a backhand to Benoit Paire of France during their men's quarterfinal singles match at the Sydney International tennis tournament in Sydney, Thursday, Jan. 11, 2018. (AP Photo/Rick](https://c8.alamy.com/comp/2MP90JP/gilles-muller-of-luxembourg-hits-a-backhand-to-benoit-paire-of-france-during-their-mens-quarterfinal-singles-match-at-the-sydney-international-tennis-tournament-in-sydney-thursday-jan-11-2018-ap-photorick-rycroft-2MP90JP.jpg)
Gilles Muller of Luxembourg hits a backhand to Benoit Paire of France during their men's quarterfinal singles match at the Sydney International tennis tournament in Sydney, Thursday, Jan. 11, 2018. (AP Photo/Rick
![Professional Tennis Player Gilles Muller of Luxembourg in Action during His Second Round Match at Roland Garros Editorial Photo - Image of philippe, luxembourg: 55882241 Professional Tennis Player Gilles Muller of Luxembourg in Action during His Second Round Match at Roland Garros Editorial Photo - Image of philippe, luxembourg: 55882241](https://thumbs.dreamstime.com/z/professional-tennis-player-gilles-muller-luxembourg-action-his-second-round-match-roland-garros-paris-france-may-55882241.jpg)
Professional Tennis Player Gilles Muller of Luxembourg in Action during His Second Round Match at Roland Garros Editorial Photo - Image of philippe, luxembourg: 55882241
![Gilles Muller of Luxembourg hits to Nikolay Davydenko of Russia during their match at the U.S. Open tennis tournament in New York, Tuesday, Sept. 2, 2008. (AP Photo/Stephen Chernin Stock Photo - Alamy Gilles Muller of Luxembourg hits to Nikolay Davydenko of Russia during their match at the U.S. Open tennis tournament in New York, Tuesday, Sept. 2, 2008. (AP Photo/Stephen Chernin Stock Photo - Alamy](https://c8.alamy.com/comp/2P9P2G6/gilles-muller-of-luxembourg-hits-to-nikolay-davydenko-of-russia-during-their-match-at-the-us-open-tennis-tournament-in-new-york-tuesday-sept-2-2008-ap-photostephen-chernin-2P9P2G6.jpg)
Gilles Muller of Luxembourg hits to Nikolay Davydenko of Russia during their match at the U.S. Open tennis tournament in New York, Tuesday, Sept. 2, 2008. (AP Photo/Stephen Chernin Stock Photo - Alamy
![Who is Gilles Muller? Luxembourg ace who defeated in-form Rafael Nadal at Wimbledon and what has he won? | The Sun Who is Gilles Muller? Luxembourg ace who defeated in-form Rafael Nadal at Wimbledon and what has he won? | The Sun](https://www.thesun.co.uk/wp-content/uploads/2017/07/nintchdbpict000337834275-e1499867175816.jpg)
Who is Gilles Muller? Luxembourg ace who defeated in-form Rafael Nadal at Wimbledon and what has he won? | The Sun
![Grigor Dimitrov of Bulgaria plays a shot to Gilles Muller of Luxembourg during their semi final match at the Sydney International Tennis Tournament, in Sydney, Friday, Jan. 15, 2016. (AAP Image/Dan Himbrechts Grigor Dimitrov of Bulgaria plays a shot to Gilles Muller of Luxembourg during their semi final match at the Sydney International Tennis Tournament, in Sydney, Friday, Jan. 15, 2016. (AAP Image/Dan Himbrechts](https://c8.alamy.com/comp/2JX12JX/grigor-dimitrov-of-bulgaria-plays-a-shot-to-gilles-muller-of-luxembourg-during-their-semi-final-match-at-the-sydney-international-tennis-tournament-in-sydney-friday-jan-15-2016-aap-imagedan-himbrechts-2JX12JX.jpg)
Grigor Dimitrov of Bulgaria plays a shot to Gilles Muller of Luxembourg during their semi final match at the Sydney International Tennis Tournament, in Sydney, Friday, Jan. 15, 2016. (AAP Image/Dan Himbrechts
![Gilles Muller of Luxembourg celebrates winning the first set against Marin Cilic of Croatia during their singles tennis match at the Queen's Club tennis tournament in London, Wednesday, June 20, 2018. (AP Gilles Muller of Luxembourg celebrates winning the first set against Marin Cilic of Croatia during their singles tennis match at the Queen's Club tennis tournament in London, Wednesday, June 20, 2018. (AP](https://c8.alamy.com/comp/2MN4W7D/gilles-muller-of-luxembourg-celebrates-winning-the-first-set-against-marin-cilic-of-croatia-during-their-singles-tennis-match-at-the-queens-club-tennis-tournament-in-london-wednesday-june-20-2018-ap-photokirsty-wigglesworth-2MN4W7D.jpg)
Gilles Muller of Luxembourg celebrates winning the first set against Marin Cilic of Croatia during their singles tennis match at the Queen's Club tennis tournament in London, Wednesday, June 20, 2018. (AP
![Wimbledon 2017: Rafael Nadal must beware Luxembourg lefty Gilles Muller | Tennis News - The Indian Express Wimbledon 2017: Rafael Nadal must beware Luxembourg lefty Gilles Muller | Tennis News - The Indian Express](https://images.indianexpress.com/2017/07/nadal-ap-759.jpg?w=414)
Wimbledon 2017: Rafael Nadal must beware Luxembourg lefty Gilles Muller | Tennis News - The Indian Express
![Professional Tennis Player Gilles Muller of Luxembourg in Action during His Second Round Match at Roland Garros Editorial Stock Image - Image of rank, philippe: 55934414 Professional Tennis Player Gilles Muller of Luxembourg in Action during His Second Round Match at Roland Garros Editorial Stock Image - Image of rank, philippe: 55934414](https://thumbs.dreamstime.com/z/professional-tennis-player-gilles-muller-luxembourg-action-his-second-round-match-roland-garros-paris-france-may-55934414.jpg)