Back دانيال فاتشيك Arabic دانييل ڤاتشيك ARZ Даниел Вацек Bulgarian Daniel Vacek Catalan Daniel Vacek Czech Daniel Vacek German Ντάνιελ Βάτσεκ Greek Daniel Vacek Spanish دانیل واچک Persian Daniel Vacek French
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| Country (sports) |  Czechoslovakia Czech Republic |
|---|---|
| Residence | Sarnen, Switzerland |
| Born | 1 April 1971 Prague, Czechoslovakia (now Czech Republic) |
| Height | 1.90 m (6 ft 3 in) |
| Turned pro | 1990 |
| Retired | 2003 |
| Plays | Right-handed (one-handed backhand) |
| Prize money | $4,803,388 |
| Singles | |
| Career record | 176–225 |
| Career titles | 0 |
| Highest ranking | No. 26 (29 January 1996) |
| Grand Slam singles results | |
| Australian Open | 3R (1994) |
| French Open | 3R (1994, 1998) |
| Wimbledon | 4R (1994) |
| US Open | 4R (1995, 1997) |
| Doubles | |
| Career record | 335–258 |
| Career titles | 25 |
| Highest ranking | No. 3 (8 September 1997) |
| Grand Slam doubles results | |
| Australian Open | QF (1999) |
| French Open | W (1996, 1997) |
| Wimbledon | 3R (1998) |
| US Open | W (1997) |
Daniel Vacek (born 1 April 1971) is a former tennis player from Czechoslovakia and the Czech Republic who turned professional in 1990. He reached the quarterfinals of the 1995 Paris Masters, the 1998 Canada Masters and the 1998 Cincinnati Masters, and achieved a career-high singles ranking of world No. 26 in January 1996.
Vacek represented his native country at the 1996 Summer Olympics in Atlanta where he was defeated in the second round. The right-hander won 25 career titles in doubles with various partners, including the French Open in 1996 and 1997, and the US Open in 1997 with Yevgeny Kafelnikov.