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.

Marcos Ondruska
Country (sports) South Africa
Born (1972-12-18) 18 December 1972 (age 51)
Bloemfontein, South Africa
Height1.83 m (6 ft 0 in)
Turned pro1989
Retired2005
PlaysRight-handed (two-handed backhand)
Prize money$1,835,129
Singles
Career record118–147
Career titles0
Highest rankingNo. 27 (10 May 1993)
Grand Slam singles results
Australian Open4R (1996)
French Open3R (1991)
Wimbledon2R (1993, 1994, 1997)
US Open3R (1994, 1995)
Other tournaments
Olympic Games2R (1996)
Doubles
Career record113–133
Career titles4
Highest rankingNo. 34 (2 August 1993)
Grand Slam doubles results
Australian OpenSF (1993)
French Open2R (1993)
Wimbledon3R (1993, 1994, 1995)
US Open3R (1999)
Grand Slam mixed doubles results
French Open2R (1993)
Wimbledon3R (1996)
Last updated on: 20 December 2021.

Ondruska has a 13–7 career Davis Cup record in 11 ties.

Junior Grand Slam finals

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Singles: 1 (1 runner-up)

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Result Year Tournament Surface Opponent Score
Loss 1990 Wimbledon Grass   Leander Paes 5–7, 6–2, 4–6

Doubles: 2 (2 runner=ups)

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Result Year Tournament Surface Partner Opponents Score
Loss 1990 French Open Clay   Clinton Marsh   Sébastien Lareau
  Sébastien Leblanc
6–7, 7–6, 7–9
Loss 1990 Wimbledon Grass   Clinton Marsh   Sébastien Lareau
  Sébastien Leblanc
6–7(5–7), 6–4, 3–6

ATP career finals

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Singles: 3 (3 runner-ups)

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Legend
Grand Slam Tournaments (0–0)
ATP World Tour Finals (0–0)
ATP World Tour Masters Series (0–0)
ATP Championship Series (0–0)
ATP World Series (0–3)
Finals by surface
Hard (0–2)
Clay (0–1)
Grass (0–0)
Carpet (0–0)
Finals by setting
Outdoors (0–3)
Indoors (0–0)
Result W–L Date Tournament Tier Surface Opponent Score
Loss 0–1 Sep 1992 Cologne, Germany World Series Clay   Bernd Karbacher 6–7(4–7), 4–6
Loss 0–2 Mar 1993 Scottsdale, United States World Series Hard   Andre Agassi 2–6, 6–3, 3–6
Loss 0–3 Oct 1996 Tel Aviv, Israel World Series Hard   Javier Sánchez 4–6, 5–7

Doubles: 6 (4 titles, 2 runner-ups)

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Legend
Grand Slam Tournaments (0–0)
ATP World Tour Finals (0–0)
ATP Masters Series (0–0)
ATP Championship Series (0–1)
ATP World Series (4–1)
Finals by surface
Hard (3–1)
Clay (1–0)
Grass (0–0)
Carpet (0–1)
Finals by setting
Outdoors (4–1)
Indoors (0–1)
Result W–L Date Tournament Tier Surface Partner Opponents Score
Loss 0–1 Feb 1993 Philadelphia, United States Championship Series Carpet   Brad Pearce   Jim Grabb
  Richey Reneberg
7–6, 3–6, 0–6
Loss 0–2 Mar 1993 Durban, South Africa World Series Hard   Johan de Beer   Lan Bale
  Wayne Black
6–7, 2–6
Win 1–2 Jan 1996 Auckland, New Zealand World Series Hard   Jack Waite   Jonas Björkman
  Brett Steven
walkover
Win 2–2 Sep 1996 Palermo, Italy World Series Clay   Andrew Kratzmann   Cristian Brandi
  Emilio Sánchez
7–6, 6–4
Win 3–2 Oct 1996 Tel Aviv, Israel World Series Hard   Grant Stafford   Noam Behr
  Eyal Erlich
6–3, 6–2
Win 4–2 Aug 1997 Long Island, United States International Series Hard   David Prinosil   Mark Keil
  T. J. Middleton
6–4, 6–4

ATP Challenger and ITF Futures Finals

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Singles: 8 (7–1)

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Legend
ATP Challenger (7–1)
ITF Futures (0–0)
Finals by surface
Hard (5–0)
Clay (2–1)
Grass (0–0)
Carpet (0–0)
Result W–L Date Tournament Tier Surface Opponent Score
Win 1–0 Aug 1989 Durbam, South Africa Challenger Hard   Ugo Colombini 6–4, 6–4
Win 2–0 Sep 1991 Azores, Portugal Challenger Hard   Henrik Holm 6–3, 2–6, 7–6
Win 3–0 Jul 1992 Neu-Ulm, Germany Challenger Clay   Marc-Kevin Goellner 7–6, 6–1
Loss 3–1 Sep 1992 Bucharest, Romania Challenger Clay   Horacio de la Peña 3–6, 0–6
Win 4–1 Nov 1992 Brest, France Challenger Hard   Bernd Karbacher 5–7, 6–3, 6–0
Win 5–1 May 1998 Budapest, Hungary Challenger Clay   Davide Sanguinetti 4–6, 7–5, 7–6
Win 6–1 Oct 1999 Houston, United States Challenger Hard   James Sekulov 7–6, 6–1
Win 7–1 Nov 1999 Miami, United States Challenger Hard   Radek Štěpánek 6–2, 6–2

Doubles: 27 (14–13)

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Legend
ATP Challenger (13–12)
ITF Futures (1–1)
Finals by surface
Hard (6–3)
Clay (7–5)
Grass (1–2)
Carpet (0–3)
Result W–L Date Tournament Tier Surface Partner Opponents Score
Win 1–0 Jul 1991 Salerno, Italy Challenger Clay   Nicolás Pereira   Emilio Benfele Álvarez
  Pietro Pennisi
6–4, 6–4
Loss 1–1 Oct 1991 Cairo, Egypt Challenger Hard   Byron Black   Martin Damm
  David Rikl
2–6, 3–6
Win 2–1 Sep 1992 Bucharest, Romania Challenger Clay   Horacio de la Peña   Jean-Philippe Fleurian
  Markus Naewie
6–4, 6–2
Loss 2–2 Nov 1992 Munich, Germany Challenger Carpet   Grant Stafford   Sander Groen
  Arne Thoms
4–6, 6–7
Loss 2–3 May 1994 Dresden, Germany Challenger Clay   Trevor Kronemann   Royce Deppe
  Jack Waite
4–6, 6–1, 3–6
Loss 2–4 Dec 1994 naples, United States Challenger Clay   Grant Stafford   Trevor Kronemann
  David Macpherson
3–6, 6–7
Win 3–4 Sep 1996 Bad Saarow, Germany Challenger Clay   Jens Knippschild   Paul Rosner
  Joost Winnink
6–3, 6–3
Loss 3–5 Mar 1998 Magdeburg, Germany Challenger Carpet   Chris Wilkinson   Eyal Erlich
  Mosé Navarra
6–4, 1–6, 4–6
Loss 3–6 May 1998 Košice, Slovakia Challenger Clay   Nebojsa Djordjevic   Jiří Novák
  David Rikl
6–7, 4–6
Win 4–6 Jul 1998 Venice, Italy Challenger Clay   Nebojsa Djordjevic   Sander Groen
  Massimo Bertolini
1–6, 6–1, 6–2
Loss 4–7 Sep 1998 Edinburgh, United Kingdom Challenger Clay   Chris Wilkinson   Edwin Kempes
  Peter Wessels
7–6, 3–6, 2–6
Win 5–7 Nov 1998 Brest, France Challenger Hard   Neville Godwin   Justin Gimelstob
  Brian Macphie
6–4, 5–7, 6–4
Win 6–7 Nov 1998 Las Vegas, United States Challenger Hard   Byron Talbot   David Di Lucia
  Michael Sell
7–6, 6–3
Loss 6–8 Feb 1999 Lucknow, India Challenger Grass   Andrew Richardson   Nuno Marques
  Tom Vanhoudt
4–6, 7–5, 1–6
Win 7–8 Apr 1999 Napoli, Italy Challenger Clay   Jack Waite   Cristian Brandi
  Massimo Bertolini
6–4, 7–6
Win 8–8 Jun 1999 Fürth, Germany Challenger Clay   Nebojsa Djordjevic   Diego del Río
  Martín Rodríguez
4–6, 6–3, 6–4
Win 9–8 Jul 1999 Ostend, Belgium Challenger Clay   Steven Randjelovic   Xavier Malisse
  Wim Neefs
6–2, 6–4
Win 10–8 Sep 1999 Austin, United States Challenger Hard   Wesley Whitehouse   Paul Goldstein
  Adam Peterson
7–5, 4–6, 6–2
Win 11–8 Jun 2000 Surbiton, United Kingdom Challenger Grass   Jeff Coetzee   Jared Palmer
  Jonathan Stark
7–6(7–3), 7–6(8–6)
Win 12–8 Sep 2000 Houston, United States Challenger Hard   Brent Haygarth   James Blake
  Kevin Kim
6–4, 6–2
Win 13–8 Nov 2000 Las Vegas, United States Challenger Hard   Jeff Coetzee   Mardy Fish
  Andy Roddick
6–7(9–11), 7–6(8–6), 6–1
Loss 13–9 Nov 2000 Knoxville, United States Challenger Hard   Jeff Coetzee   Karsten Braasch
  Michael Kohlmann
0–6, 6–7(4–7)
Loss 13–10 Jun 2001 Surbiton, United Kingdom Challenger Grass   Jeff Coetzee   David Adams
  Ben Ellwood
6–7(5–7), 4–6
Loss 13–11 Aug 2001 Segovia, Spain Challenger Hard   Neville Godwin   Wesley Moodie
  Shaun Rudman
6–7(5–7), 3–6
Loss 13–12 Nov 2001 Aachen, Germany Challenger Carpet   Marc-Kevin Goellner   Julian Knowle
  Michael Kohlmann
3–6, 6–7(4–7)
Loss 13–13 May 2003 USA F11, Orange Park Futures Clay   Brendan Evans   Brian Baker
  Phillip Simmonds
6–4, 5–7, 4–6
Win 14–13 May 2005 Korea F1, Seogwipo Futures Hard   Luka Gregorc   Kyu-Tae Im
  Mark Nielsen
7–5, 3–6, 6–2

Performance timelines

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Key
W  F  SF QF #R RR Q# DNQ A NH
(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (DNQ) did not qualify; (A) absent; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.

Singles

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Tournament 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 SR W–L Win %
Grand Slam tournaments
Australian Open A Q2 A 1R 2R 3R 4R 1R 1R 1R Q3 1R 0 / 8 6–8 43%
French Open A 3R A 2R 1R 1R 1R 2R A Q2 Q2 2R 0 / 7 5–7 42%
Wimbledon Q3 Q1 1R 2R 2R 1R 1R 2R A A Q2 Q3 0 / 6 3–6 33%
US Open A 1R Q1 1R 3R 3R 1R 2R 1R Q1 Q1 Q1 0 / 7 5–7 42%
Win–loss 0–0 2–2 0–1 2–4 4–4 4–4 3–4 3–4 0–2 0–1 0–0 1–2 0 / 28 19–28 40%
National Representation
Summer Olympics NH A Not Held 2R Not Held A NH 0 / 1 1–1 50%
ATP Masters Series
Indian Wells A A 2R A 2R Q3 Q1 Q2 A A 1R Q1 0 / 3 2–3 40%
Miami A A 1R SF 1R 3R 2R 1R Q1 A Q2 A 0 / 6 8–6 57%
Monte Carlo A A A 2R 1R A A A A Q1 A A 0 / 2 1–2 33%
Hamburg A A A 3R A A A A A A A A 0 / 1 2–1 67%
Rome A A A 1R A A A A A A A A 0 / 1 0–1 0%
Canada A A A A A A A 2R 1R A A A 0 / 2 1–2 33%
Cincinnati 2R 2R A A A A A A 2R A Q2 A 0 / 3 3–3 50%
Paris A A A 1R A A A A A A A A 0 / 1 0–1 0%
Win–loss 1–1 1–1 1–2 8–5 1–3 2–1 1–1 1–2 1–2 0–0 0–1 0–0 0 / 19 17–19 47%

Doubles

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Tournament 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 SR W–L Win %
Grand Slam tournaments
Australian Open A A SF 1R QF 2R 2R 1R 1R 2R 1R 0 / 9 10–9 53%
French Open A A 2R 1R A 1R 1R A 1R 1R 1R 0 / 7 1–7 13%
Wimbledon A 2R 3R 3R 3R 1R 2R A A 1R Q2 0 / 7 8–7 53%
US Open A A 1R 1R 1R A 1R 2R 3R 1R 1R 0 / 8 3–8 27%
Win–loss 0–0 1–1 7–4 2–4 5–3 1–3 2–4 1–2 2–3 1–4 0–3 0 / 31 22–31 42%
ATP Masters Series
Indian Wells A A A 1R 1R QF 1R A A Q1 A 0 / 4 2–4 33%
Miami A 2R 2R 1R 2R 2R 2R 1R A 1R A 0 / 8 4–8 33%
Monte Carlo A A 1R SF A A A A A A A 0 / 2 3–2 60%
Rome A A QF A A A A A A A A 0 / 1 2–1 67%
Canada A A A A A A 1R A A A A 0 / 1 0–1 0%
Cincinnati 2R A A A A A A 1R A Q2 A 0 / 2 1–2 33%
Paris A A 2R A A A A A A A A 0 / 1 1–1 50%
Win–loss 1–1 1–1 3–4 3–3 1–2 3–2 1–3 0–2 0–0 0–1 0–0 0 / 19 13–19 41%
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