Ján Krošlák
| Country (sports) | Slovakia |
|---|---|
| Residence | Bratislava, Slovakia |
| Born | 17 October 1974 Bratislava, Czechoslovakia |
| Height | 1.88 m (6 ft 2 in) |
| Turned pro | 1993 |
| Plays | Right-handed |
| Coach | Michal Krotiouk |
| Prize money | $1,169,329 |
| Singles | |
| Career record | 76–96 |
| Career titles | 2 |
| Highest ranking | No. 53 (13 September 1999) |
| Grand Slam singles results | |
| Australian Open | 3R (1999) |
| French Open | 1R (1996, 1997, 1999) |
| Wimbledon | 3R (1996) |
| US Open | 3R (1999) |
| Other tournaments | |
| Olympic Games | 1R (1996) |
| Doubles | |
| Career record | 12–14 |
| Career titles | 0 |
| Highest ranking | No. 215 (23 June 1997) |
| Other doubles tournaments | |
| Olympic Games | 1R (1996) |
Ján Krošlák (Slovak pronunciation: [jan krɔʂlaːk]; born 17 October 1974) is a former tennis player from Slovakia, who turned professional in 1993.
He represented his native country at the 1996 Summer Olympics in Atlanta, United States, where he was defeated in the first round by America's MaliVai Washington. The right-hander reached his career-high ATP singles ranking of world No. 53 in September 1999. He won two singles titles on the ATP Tour.
In the 1998 Davis Cup, he played with Martin Hromec.