page_title: Gilles Müller
section_title: 2009–2013 and injuries
hierarchical_section_title: Gilles Müller / Career / 2009–2013 and injuries
caption_attribution_description: English: Gilles Muller US Open 2011
context_page_description: Gilles Müller is a retired tennis player from Luxembourg. He is a two-time Grand Slam quarterfinalist and the most successful male tennis player in the history of his country. Müller won two titles on the ATP World Tour and achieved a career-high ATP singles ranking of world No. 21 on 31 July 2017. He was known for his powerful left-handed serve and excellent net skills. Following his retirement, Müller was appointed as Luxembourg's Davis Cup team captain.
context_section_description: On 19 January 2009, Müller beat Spaniard Feliciano López (6–3, 7–6, 4–6, 4–6, 16–14) in an epic four-hour, 24-minute match in the first round of the 2009 Australian Open. His run in the tournament ended in the third round by the eighth-seeded Juan Martín del Potro.
  In September 2011, he advanced to the fourth round of the US Open, losing to Rafael Nadal, whom he had already lost to in the third round of Wimbledon earlier that same year.
  Müller registered his 100th singles win by defeating Australian Marinko Matosevic (7–6, 6–4) in Atlanta. He also reached the Atlanta Open final, losing to Andy Roddick (6–1, 6–7, 2–6) after the American came back from one set and one break down to win what would be his last final on the ATP World Tour.
  Müller's final match in 2013 was at the 2013 French Open where he lost in round 1 to Roberto Bautista Agut. He finished the year at No. 368 in the world rankings after missing the second half of the season with an elbow injury.
caption: Müller at the 2011 US Open
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