Simon Stadler
Simon Stadler is a German retired professional left-handed tennis player. He reached his career-high singles ranking of world No. 140 in February 2009 and his career-high doubles ranking of world No. 52 in February 2014.
Juniors career
Stadler reached a career-high of No. 8 in singles in February 2001 and No. 14 in doubles in January 2001.Professional career
2008
After a slow start to the year, Stadler reached Challenger semifinals two weeks in a row in Cremona and Athens to reach his career-high ranking of No. 164 in April. He reached another semifinal in Telde in May.In June, Stadler qualified in singles for the 2008 Wimbledon Championships, beating British junior No. 949 Daniel Cox, No. 248 Rainer Eitzinger and No. 270 Nicolás Todero. He took this form into the main singles draw, where he faced the 18th seed Ivo Karlović from Croatia and beat him in four sets. He then defeated the aforementioned Brazilian, Thomaz Bellucci in the second round, 8–6 in the fifth. He would go on to lose to Cypriot Marcos Baghdatis in the third round.
ATP career finals
Doubles: 3 (1–2)
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents | Score |
| Runner-up | 1. | 24 February 2013 | Copa Claro, Buenos Aires, Argentina | Clay |  Nicholas Monroe |  Simone Bolelli Fabio Fognini | 3–6, 2–6 |
| Winner | 1. | 14 July 2013 | Swedish Open, Båstad, Sweden | Clay | Nicholas Monroe |  Carlos Berlocq Albert Ramos | 6–2, 3–6, |
| Runner-up | 2. | 27 July 2013 | ATP Vegeta Croatia Open Umag, Umag, Croatia | Clay | Nicholas Monroe |  Martin Kližan David Marrero | 1–6, 7–5, |