Karsten Braasch
Karsten Braasch is a German former professional tennis player. His highest ATP singles ranking was World No. 38, which he reached in June 1994. His career-high in doubles was World No. 36, achieved in November 1997. He was well-noted for his service motion and his habit of smoking during changeovers.
Braasch competed in a "" contest against the Williams sisters at the 1998 Australian Open when he was ranked 203. Braasch was described by one journalist as "a man whose training regime centred around a pack of cigarettes and more than a couple bottles of ice cold lager". He nonetheless defeated both sisters, playing a single set against each, beating Serena 6–1 and Venus 6–2. Braasch was thirty years old at the time, while Venus and Serena were seventeen and sixteen, respectively.
Career finals
Singles: 1 (1 loss)
| Result | W/L | Date | Tournament | Surface | Opponent | Score |
| Loss | 0–1 | Jun 1994 | Rosmalen, Netherlands | Grass |  Richard Krajicek | 3–6, 4–6 |
Doubles: 9 (6 wins, 3 losses)
| Result | W/L | Date | Tournament | Surface | Partner | Opponents | Score |
| Win | 1. | Jun 1997 | Gerry Weber Open | Grass |  Michael Stich |  David Adams Marius Barnard | 7–6, 6–3 |
| Win | 2. | Jul 2001 | Catella Swedish Open | Clay | Jens Knippschild |  Simon Aspelin Andrew Kratzmann | 7–6, 4–6, 7–6 |
| Win | 3. | Sep 2001 | Salem Open | Hard |  André Sá |  Petr Luxa Radek Štepánek | 6–0, 7–5 |
| Win | 4. | Feb 2002 | Milan Indoor | Carpet |  Andrei Olhovskiy |  Julien Boutter Max Mirnyi | 3–6, 7–6, |
| Win | 5. | Apr 2002 | Estoril Open | Clay | Andrei Olhovskiy | Simon Aspelin Andrew Kratzmann | 6–3, 6–3 |
| Win | 6. | Sep 2003 | BCR Open Romania | Clay |  Sargis Sargsian | Simon Aspelin Jeff Coetzee | 7–6, 6–2 |
| Loss | 1. | Apr 1997 | Salem Open | Hard |  Jeff Tarango | Martin Damm Daniel Vacek | 3–6, 4–6 |
| Loss | 2. | May 1997 | BMW Open | Clay | Jens Knippschild |  Pablo Albano Àlex Corretja | 6–3, 5–7, 2–6 |
| Loss | 3. | Oct 1997 | Basel | Carpet | Jim Grabb |  Tim Henman Marc Rosset | 6–7, 7–6, 6–7 |