 | This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (June 2013) |
| Country (sports) |  South Africa |
|---|---|
| Born | 18 December 1972 Bloemfontein, South Africa |
| Height | 1.83 m (6 ft 0 in) |
| Turned pro | 1989 |
| Retired | 2005 |
| Plays | Right-handed (two-handed backhand) |
| Prize money | $1,835,129 |
| Singles | |
| Career record | 118–147 |
| Career titles | 0 |
| Highest ranking | No. 27 (10 May 1993) |
| Grand Slam singles results | |
| Australian Open | 4R (1996) |
| French Open | 3R (1991) |
| Wimbledon | 2R (1993, 1994, 1997) |
| US Open | 3R (1994, 1995) |
| Other tournaments | |
| Olympic Games | 2R (1996) |
| Doubles | |
| Career record | 113–133 |
| Career titles | 4 |
| Highest ranking | No. 34 (2 August 1993) |
| Grand Slam doubles results | |
| Australian Open | SF (1993) |
| French Open | 2R (1993) |
| Wimbledon | 3R (1993, 1994, 1995) |
| US Open | 3R (1999) |
| Grand Slam mixed doubles results | |
| French Open | 2R (1993) |
| Wimbledon | 3R (1996) |
| Last updated on: 20 December 2021. | |
Marcos Ondruska (born 18 December 1972) is a former tennis player from South Africa, who turned professional in 1989. He represented his native country at the 1996 Summer Olympics in Atlanta, Georgia, where he defeated Goran Ivanišević in the first round before falling to Norway's Christian Ruud. The right-hander won four career titles in doubles, and reached his highest singles ATP-ranking on 10 May 1993, when he became the number 27 of the world and reached the semi-finals at the Miami Open.
Ondruska has a 13–7 career Davis Cup record in 11 ties.