H2H data updated: 2026-09-06 00:00 UTC

Karol Kucera vs Marcos Ondruska H2H: 1-3

Marcos Ondruska holds a 3–1 lead over Karol Kucera in their ATP head-to-head. Across 4 main-draw meetings, Marcos Ondruska leads 2–0 on hard courts and 1–0 on clay. Most recently, Marcos Ondruska won the 1997 ASB Classic round of 16 2-6 6-2 6-3.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Karol Kucera
SVK Age 52 Right-Handed 188 cm / 6'2"
H2H
1 – 3
4 main-draw meetings
Marcos Ondruska
RSA Age 53 Right-Handed 183 cm / 6'0"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Marcos Ondruska #102 2-6 6-2 6-3 Karol Kucera #56 Match data Jan 10, 1997* R16 ASB Classic World Series → modern equivalent ATP 250 Hard
Marcos Ondruska #115 6-2 4-6 6-3 6-0 Karol Kucera #76 Match data Jan 21, 1996* R32 Australian Open Grand Slam Hard
Karol Kucera #43 6-1 6-4 7-5 Marcos Ondruska #124 Match data Jun 28, 1995* R128 Wimbledon Grand Slam Grass
Marcos Ondruska #122 2-6 6-3 6-4 Karol Kucera #71 Match data Oct 7, 1994* R16 Athens ATP World Series → modern equivalent ATP 250 Clay

Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
Karol Kucera #1,540 #6 2,732 1,995 261 233 52.8% 0 0 0 1 5 6
Marcos Ondruska #1,352 #27 1,007 1,786 106 138 43.4% 0 0 0 0 0 0

Career Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.

Age Karol Kucera Marcos Ondruska
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1991 1–1 50.0% #352 1,509 0 0 1990 3–3 50.0% #256 1,537 0 0
18 1992 0–1 0.0% #210 1,506 0 0 1991 3–5 37.5% #137 1,589 0 0
19 1993 1–3 25.0% #159 1,493 0 0 1992 11–10 52.4% #67 1,640 0 0
20 1994 13–13 50.0% #54 1,617 0 0 1993 26–29 47.3% #47 1,568 0 0
21 1995 21–27 43.8% #79 1,624 0 1 1994 15–17 46.9% #98 1,686 0 0
22 1996 18–25 41.9% #63 1,657 0 1 1995 16–19 45.7% #114 1,665 0 0
23 1997 33–27 55.0% #24 1,832 0 2 1996 17–20 45.9% #102 1,675 0 0
24 1998 48–27 64.0% #8 1,845 0 4 1997 12–16 42.9% #113 1,656 0 0
25 1999 38–20 65.5% #17 1,852 0 5 1998 2–10 16.7% #142 1,541 0 0
26 2000 23–22 51.1% #73 1,767 0 5 1999 0–2 0.0% #159 1,520 0 0
27 2001 11–13 45.8% #101 1,722 0 5 2000 0–5 0.0% #204 1,477 0 0
28 2002 18–16 52.9% #83 1,756 0 5 2001 1–2 33.3% #263 1,569 0 0
29 2003 24–18 57.1% #40 1,763 0 6 — — — — — — —
30 2004 9–15 37.5% #91 1,668 0 6 — — — — — — —
31 2005 3–5 37.5% #310 1,665 0 6 — — — — — — —

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Age Karol Kucera Marcos Ondruska
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
17 1991 — — — — 1 1 2 50.0% — — — — — — — — 1990 3 3 6 50.0% — — — — — — — — — — — —
18 1992 — — — — 0 1 1 0.0% — — — — — — — — 1991 1 3 4 25.0% 2 1 3 66.7% — — — — 0 1 1 0.0%
19 1993 — — — — 1 2 3 33.3% — — — — 0 1 1 0.0% 1992 7 7 14 50.0% 4 1 5 80.0% 0 2 2 0.0% — — — —
20 1994 1 2 3 33.3% 10 8 18 55.6% 0 1 1 0.0% 2 2 4 50.0% 1993 12 11 23 52.2% 10 11 21 47.6% 4 3 7 57.1% 0 4 4 0.0%
21 1995 3 8 11 27.3% 5 12 17 29.4% 6 2 8 75.0% 7 5 12 58.3% 1994 11 9 20 55.0% 3 5 8 37.5% 1 2 3 33.3% 0 1 1 0.0%
22 1996 11 12 23 47.8% 2 6 8 25.0% 2 2 4 50.0% 3 5 8 37.5% 1995 11 12 23 47.8% 1 3 4 25.0% 3 3 6 50.0% 1 1 2 50.0%
23 1997 6 8 14 42.9% 9 10 19 47.4% 4 2 6 66.7% 14 7 21 66.7% 1996 13 13 26 50.0% 0 3 3 0.0% 2 3 5 40.0% 2 1 3 66.7%
24 1998 26 12 38 68.4% 12 8 20 60.0% 2 3 5 40.0% 8 4 12 66.7% 1997 6 10 16 37.5% 4 3 7 57.1% 1 2 3 33.3% 1 1 2 50.0%
25 1999 16 9 25 64.0% 5 5 10 50.0% 8 3 11 72.7% 9 3 12 75.0% 1998 2 7 9 22.2% 0 1 1 0.0% — — — — 0 2 2 0.0%
26 2000 11 13 24 45.8% 7 5 12 58.3% 3 2 5 60.0% 2 2 4 50.0% 1999 0 1 1 0.0% 0 1 1 0.0% — — — — — — — —
27 2001 6 5 11 54.5% 3 5 8 37.5% 1 1 2 50.0% 1 2 3 33.3% 2000 0 4 4 0.0% — — — — 0 1 1 0.0% — — — —
28 2002 15 10 25 60.0% 1 5 6 16.7% 2 1 3 66.7% — — — — 2001 0 1 1 0.0% 1 1 2 50.0% — — — — — — — —
29 2003 19 9 28 67.9% 0 5 5 0.0% 4 2 6 66.7% 1 2 3 33.3% — — — — — — — — — — — — — — — — —
30 2004 4 8 12 33.3% 1 3 4 25.0% 2 3 5 40.0% 2 1 3 66.7% — — — — — — — — — — — — — — — — —
31 2005 1 2 3 33.3% — — — — 2 3 5 40.0% — — — — — — — — — — — — — — — — — — — — —
Career — 119 98 217 54.8% 57 76 133 42.9% 36 25 61 59.0% 49 34 83 59.0% — 66 81 147 44.9% 25 30 55 45.5% 11 16 27 40.7% 4 11 15 26.7%

Performance Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 438/494 of Karol Kucera's and 206/238 of Marcos Ondruska's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.

Age Karol Kucera Marcos Ondruska
Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts% Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts%
17 1991 1/2 4.0 2.0 36.5% 69.6% 65.0% 85.7% 66.7% 66.7% 45.1% — —/— — — — — — — — — —
18 1992 1/1 3.0 4.0 43.3% 73.1% 41.2% 42.9% 33.3% 55.0% 36.7% 1991 6/8 0.8 1.2 60.4% 61.6% 45.5% 53.7% 54.4% 53.8% 38.1%
19 1993 4/4 4.0 3.5 46.2% 72.2% 48.1% 52.7% 42.3% 59.9% 33.5% 1992 18/21 1.6 2.1 63.0% 62.9% 49.3% 50.1% 45.0% 57.6% 45.0%
20 1994 24/26 3.7 4.2 53.8% 67.6% 46.5% 50.8% 47.3% 57.9% 41.2% 1993 52/55 2.1 3.6 58.9% 64.5% 48.0% 56.6% 45.3% 57.6% 41.2%
21 1995 41/48 5.1 5.3 52.7% 68.2% 46.6% 57.7% 40.4% 58.2% 40.2% 1994 28/32 2.9 3.9 55.5% 68.3% 46.4% 53.4% 52.7% 58.4% 41.4%
22 1996 35/43 4.0 5.2 55.6% 68.2% 47.1% 55.0% 42.6% 58.7% 39.9% 1995 35/35 3.6 3.8 55.6% 69.3% 45.9% 59.4% 50.1% 59.1% 39.7%
23 1997 53/60 3.8 5.3 55.2% 69.6% 47.6% 49.2% 46.5% 60.0% 40.5% 1996 28/37 3.4 2.9 60.1% 67.6% 48.4% 47.7% 41.6% 59.6% 39.7%
24 1998 63/75 5.8 5.0 56.4% 72.6% 49.9% 61.2% 49.8% 62.8% 43.3% 1997 24/28 3.5 4.5 56.5% 66.3% 44.2% 53.2% 41.3% 56.8% 36.8%
25 1999 53/58 5.1 3.9 57.9% 72.9% 51.3% 53.7% 49.6% 63.8% 43.3% 1998 8/12 3.0 3.4 59.1% 63.2% 40.3% 66.6% 47.6% 53.8% 34.1%
26 2000 38/45 6.4 5.4 52.1% 73.9% 48.1% 58.4% 42.2% 61.5% 41.1% 1999 2/2 1.5 6.5 59.5% 59.5% 38.3% 55.0% 21.4% 51.9% 34.5%
27 2001 23/24 4.9 5.0 55.4% 70.4% 45.3% 42.0% 42.3% 59.0% 40.2% 2000 3/5 4.0 5.7 59.6% 66.5% 39.8% 49.2% 20.0% 56.0% 31.2%
28 2002 31/34 5.1 5.5 58.8% 68.5% 45.8% 47.5% 52.6% 58.2% 39.6% 2001 2/3 4.0 8.0 58.1% 67.0% 49.1% 53.5% 35.8% 59.5% 36.8%
29 2003 40/42 5.4 4.4 57.3% 71.1% 48.7% 55.8% 46.1% 61.7% 40.0% — —/— — — — — — — — — —
30 2004 23/24 5.8 4.4 61.2% 70.9% 49.4% 52.3% 49.4% 62.6% 38.4% — —/— — — — — — — — — —
31 2005 8/8 6.0 4.8 56.5% 62.9% 51.9% 60.7% 57.6% 57.9% 34.1% — —/— — — — — — — — — —
Career — 438/494 5.1 4.9 55.8% 70.5% 48.3% 54.2% 46.6% 60.7% 40.8% — 206/244 2.8 3.6 58.2% 66.2% 46.6% 54.6% 45.8% 57.8% 40.0%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Age Karol Kucera Marcos Ondruska
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
17 1991 1510 99.2 -0.34 -0.73 1.352 55.2% — — — 50.0% -1.50 — — — +0.11 1990 1537 111.9 — — — — +45 — — 41.7% -1.25 1–1 1–0 — +0.20
18 1992 1506 107.8 +1.94 +0.49 0.815 45.8% — — — 0.0% -3.00 — 0–1 — -0.21 1991 1589 127.8 -3.07 +0.45 0.825 46.5% -15 +24 — 40.0% -0.60 1–1 0–1 — -0.46
19 1993 1493 107.7 -0.38 -0.91 0.835 47.3% — +43 — 30.0% -1.30 0–1 — — +0.01 1992 1641 118.5 -2.04 +3.41 1.062 51.0% -37 +25 — 50.0% +0.14 4–2 (67%) 2–3 (40%) 102.8 +1.64
20 1994 1617 124.2 -2.17 +1.05 0.978 49.4% -93 +34 — 45.2% -0.31 5–2 (71%) 2–4 (33%) 103.9 +0.29 1993 1568 136.6 -2.53 +2.02 0.972 49.6% +55 +92 +20 49.3% -0.07 7–11 (39%) 5–5 (50%) 96.4 +1.65
21 1995 1625 128.1 -3.11 +1.46 0.961 49.3% -21 -56 +36 46.1% -0.47 8–9 (47%) 9–6 (60%) 103.3 +1.18 1994 1687 133.1 -1.29 +1.94 0.994 50.0% -8 -54 -101 51.1% +0.02 6–10 (38%) 6–5 (55%) 97.5 -0.64
22 1996 1657 140.0 -1.67 +1.61 0.965 49.3% -9 -82 +62 43.1% -0.04 8–2 (80%) 5–14 (26%) 103.2 -0.90 1995 1666 131.0 -2.18 +1.47 0.970 49.6% +20 -47 -65 46.9% -0.02 8–7 (53%) 4–9 (31%) 98.1 -0.51
23 1997 1832 145.3 -1.29 +2.80 1.013 50.0% -21 -141 -84 49.6% +0.04 11–9 (55%) 6–4 (60%) 103.9 -1.69 1996 1675 135.7 -1.48 +1.63 0.982 49.3% +38 -128 -51 45.8% -0.15 5–5 (50%) 7–8 (47%) 97.4 -1.02
24 1998 1846 161.4 +0.91 +5.75 1.163 53.0% +34 -55 -157 59.8% +0.70 16–13 (55%) 15–13 (54%) 98.2 -2.10 1997 1656 124.4 -3.01 -0.51 0.853 47.2% +1 -41 -28 38.0% -0.69 7–2 (78%) 4–7 (36%) 106.2 -0.01
25 1999 1853 152.3 +1.99 +5.08 1.196 53.0% +24 -89 -80 64.6% +1.00 7–9 (44%) 13–8 (62%) 98.2 -0.21 1998 1541 113.3 -3.51 -1.85 0.737 44.6% +23 — — 23.3% -1.53 1–2 (33%) 1–4 (20%) 96.2 +0.28
26 2000 1767 147.6 -0.07 +3.71 1.065 51.2% -8 +56 +26 51.3% +0.32 6–6 (50%) 5–9 (36%) 96.9 -2.34 1999 1520 102.7 -1.06 +2.09 0.716 43.6% — — — 0.0% -2.80 — — — -0.12
27 2001 1723 133.9 -1.96 +1.87 0.979 49.4% +28 +25 — 45.3% -0.11 2–3 (40%) 4–7 (36%) 97.0 -1.09 2000 1477 113.2 -2.58 +2.02 0.709 43.5% +31 — — 16.7% -2.50 0–2 2–1 (67%) — -0.49
28 2002 1756 129.2 -2.48 +2.17 0.948 48.8% +31 -87 -5 48.3% -0.36 10–3 (77%) 7–5 (58%) 105.7 -1.25 2001 1569 114.2 -1.90 +4.79 0.909 48.2% — — — 33.3% -1.83 1–0 1–1 — -0.37
29 2003 1763 141.0 -0.44 +2.57 1.044 50.7% +37 -184 +57 57.8% +0.34 5–5 (50%) 15–10 (60%) 101.8 -0.62 — — — — — — — — — — — — — — — —
30 2004 1668 134.1 -0.65 +2.30 1.027 50.5% +66 -105 +102 43.1% -0.25 4–3 (57%) 6–8 (43%) 98.9 -1.86 — — — — — — — — — — — — — — — —
31 2005 1665 103.1 -1.58 -1.94 0.810 46.0% +47 — +72 42.1% -0.84 — 2–1 (67%) — -0.40 — — — — — — — — — — — — — — — —
Career — 1996 149.0 -0.72 +2.99 1.038 50.6% +12 -50 -5 51.8% +0.15 82–65 (56%) 89–90 (50%) 102.0 -2.25 — 1786 135.2 -2.21 +1.52 0.947 49.0% +19 +16 -37 44.4% -0.33 41–43 (49%) 33–44 (43%) 97.0 +0.06

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.