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

Mariano Zabaleta vs Carlos Costa H2H: 1-0

Mariano Zabaleta holds a 1–0 lead over Carlos Costa in their ATP head-to-head. Across 1 main-draw meeting, Mariano Zabaleta leads 1–0 on hard courts. Most recently, Mariano Zabaleta won the 1999 Qatar Open round of 32 6-4 6-3.

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Mariano Zabaleta
ARG Age 48 Right-Handed 183 cm / 6'0"
H2H
1 – 0
1 main-draw meetings
Carlos Costa
ESP Age 58 Right-Handed 183 cm / 6'0"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mariano Zabaleta #63 6-4 6-3 Carlos Costa #67 Match data Jan 7, 1999* R32 Qatar Open ATP World Series → modern equivalent ATP 250 Hard

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
Mariano Zabaleta #1,009 #21 1,426 1,868 201 208 49.1% 0 0 0 0 3 3
Carlos Costa #1,297 #10 1,663 1,961 237 202 54.0% 0 0 0 1 5 6

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 Mariano Zabaleta Carlos Costa
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1995 2–2 50.0% — 1,514 0 0 — — — — — — —
18 1996 9–8 52.9% #103 1,599 0 0 — — — — — — —
19 1997 0–6 0.0% #257 1,532 0 0 — — — — — — —
20 1998 14–8 63.6% #63 1,692 0 1 1988 2–2 50.0% #243 1,524 0 0
21 1999 28–29 49.1% #28 1,686 0 1 1989 2–5 28.6% #201 1,512 0 0
22 2000 19–27 41.3% #61 1,654 0 1 1990 6–8 42.9% #151 1,555 0 0
23 2001 18–18 50.0% #59 1,728 0 1 1991 15–13 53.6% #55 1,659 0 0
24 2002 20–28 41.7% #53 1,629 0 1 1992 39–21 65.0% #14 1,763 0 2
25 2003 33–24 57.9% #27 1,755 0 2 1993 42–23 64.6% #26 1,873 0 4
26 2004 25–21 54.3% #54 1,690 0 3 1994 35–26 57.4% #27 1,677 0 6
27 2005 20–16 55.6% #83 1,723 0 3 1995 29–22 56.9% #31 1,756 0 6
28 2006 4–8 33.3% #243 1,595 0 3 1996 25–25 50.0% #61 1,647 0 6
29 2007 9–11 45.0% #104 1,602 0 3 1997 20–23 46.5% #56 1,629 0 6
30 2008 0–2 0.0% #1141 1,556 0 3 1998 21–24 46.7% #67 1,570 0 6
31 — — — — — — — 1999 1–10 9.1% #472 1,475 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 Mariano Zabaleta Carlos Costa
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 1995 — — — — 2 2 4 50.0% — — — — — — — — — — — — — — — — — — — — — — — — —
18 1996 — — — — 9 8 17 52.9% — — — — — — — — — — — — — — — — — — — — — — — — —
19 1997 0 2 2 0.0% 0 4 4 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
20 1998 — — — — 14 8 22 63.6% — — — — — — — — 1988 — — — — 2 2 4 50.0% — — — — — — — —
21 1999 9 13 22 40.9% 18 14 32 56.3% — — — — 1 2 3 33.3% 1989 — — — — 2 5 7 28.6% — — — — — — — —
22 2000 11 16 27 40.7% 8 10 18 44.4% 0 1 1 0.0% — — — — 1990 0 1 1 0.0% 6 6 12 50.0% 0 1 1 0.0% — — — —
23 2001 9 7 16 56.3% 9 10 19 47.4% 0 1 1 0.0% — — — — 1991 5 4 9 55.6% 10 9 19 52.6% — — — — — — — —
24 2002 3 13 16 18.8% 17 13 30 56.7% 0 1 1 0.0% 0 1 1 0.0% 1992 4 5 9 44.4% 33 10 43 76.7% 1 1 2 50.0% 1 5 6 16.7%
25 2003 13 12 25 52.0% 20 10 30 66.7% 0 1 1 0.0% 0 1 1 0.0% 1993 7 5 12 58.3% 32 13 45 71.1% 1 1 2 50.0% 2 4 6 33.3%
26 2004 2 7 9 22.2% 22 12 34 64.7% — — — — 1 2 3 33.3% 1994 8 5 13 61.5% 25 14 39 64.1% 1 1 2 50.0% 1 6 7 14.3%
27 2005 4 5 9 44.4% 16 11 27 59.3% — — — — — — — — 1995 4 3 7 57.1% 25 18 43 58.1% — — — — 0 1 1 0.0%
28 2006 0 2 2 0.0% 4 6 10 40.0% — — — — — — — — 1996 6 9 15 40.0% 18 14 32 56.3% 0 1 1 0.0% 1 1 2 50.0%
29 2007 0 1 1 0.0% 9 9 18 50.0% 0 1 1 0.0% — — — — 1997 0 6 6 0.0% 20 16 36 55.6% — — — — 0 1 1 0.0%
30 2008 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — 1998 7 8 15 46.7% 14 15 29 48.3% — — — — 0 1 1 0.0%
31 — — — — — — — — — — — — — — — — — 1999 0 5 5 0.0% 1 5 6 16.7% — — — — — — — —
Career — 51 79 130 39.2% 148 118 266 55.6% 0 5 5 0.0% 2 6 8 25.0% — 41 51 92 44.6% 188 127 315 59.7% 3 5 8 37.5% 5 19 24 20.8%

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 375/409 of Mariano Zabaleta's and 360/414 of Carlos Costa'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 Mariano Zabaleta Carlos Costa
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 1995 4/4 1.8 1.0 63.3% 55.9% 48.1% 46.0% 34.2% 53.0% 41.5% — —/— — — — — — — — — —
18 1996 17/17 1.1 2.4 73.2% 63.3% 46.1% 54.9% 43.4% 57.8% 44.1% — —/— — — — — — — — — —
19 1997 5/6 2.8 4.4 60.6% 67.3% 47.1% 53.2% 36.8% 59.3% 30.6% — —/— — — — — — — — — —
20 1998 18/22 6.2 4.7 52.8% 72.2% 51.9% 64.8% 44.7% 62.7% 40.5% — —/— — — — — — — — — —
21 1999 51/57 4.7 3.9 53.1% 71.6% 49.4% 56.9% 38.8% 61.2% 37.0% — —/— — — — — — — — — —
22 2000 37/46 5.5 3.7 49.5% 71.0% 49.9% 60.0% 41.6% 60.2% 36.9% — —/— — — — — — — — — —
23 2001 32/36 5.0 3.7 54.5% 71.0% 50.7% 60.2% 47.4% 61.5% 37.9% 1991 22/28 4.3 2.6 51.4% 70.6% 48.5% 57.5% 50.6% 59.8% 44.3%
24 2002 43/48 4.3 3.3 58.3% 67.9% 50.7% 53.8% 43.4% 60.5% 35.9% 1992 52/60 4.4 2.3 53.3% 70.1% 52.9% 58.0% 44.4% 61.9% 43.0%
25 2003 55/57 3.1 2.7 58.8% 69.6% 52.1% 51.0% 41.5% 62.4% 40.6% 1993 59/65 5.1 2.2 55.2% 72.8% 53.9% 56.4% 47.1% 64.2% 43.6%
26 2004 45/46 3.8 2.9 61.6% 70.9% 52.5% 55.5% 40.2% 63.6% 39.1% 1994 51/61 3.9 2.8 55.9% 69.4% 51.0% 52.6% 46.0% 61.0% 42.9%
27 2005 36/36 4.4 4.2 56.7% 70.9% 52.8% 60.5% 41.5% 63.2% 39.7% 1995 47/51 4.1 2.6 57.3% 68.3% 48.0% 53.5% 43.7% 59.4% 41.2%
28 2006 12/12 3.6 3.6 58.8% 71.9% 46.8% 59.6% 32.0% 61.7% 36.4% 1996 40/50 3.2 2.7 55.2% 66.1% 45.5% 47.7% 48.4% 56.9% 43.6%
29 2007 18/20 3.7 3.7 59.7% 67.6% 49.4% 57.3% 39.5% 60.4% 39.3% 1997 37/43 2.6 2.2 58.5% 63.6% 46.6% 52.9% 49.2% 56.6% 40.3%
30 2008 2/2 8.5 6.5 50.4% 71.9% 41.1% 58.7% 31.0% 56.2% 33.3% 1998 42/45 4.4 3.2 55.4% 70.1% 45.9% 55.0% 48.1% 59.5% 41.4%
31 — —/— — — — — — — — — — 1999 10/11 5.4 2.3 55.6% 69.0% 45.1% 41.4% 48.6% 58.6% 38.6%
Career — 375/409 4.2 3.5 57.3% 69.9% 50.6% 56.7% 41.4% 61.5% 38.5% — 360/439 4.1 2.6 55.4% 69.1% 49.4% 53.9% 46.8% 60.2% 42.4%

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 Mariano Zabaleta Carlos Costa
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 1995 1515 102.4 -1.10 +1.15 0.883 47.2% — +37 — 50.0% -1.10 1–1 1–0 — +0.34 — — — — — — — — — — — — — — — —
18 1996 1599 129.5 -1.91 +3.31 1.045 50.4% — +34 — 48.6% +0.03 3–0 (100%) 2–3 (40%) 103.9 -0.44 — — — — — — — — — — — — — — — —
19 1997 1532 99.5 -0.65 -2.22 0.751 44.9% — +30 — 0.0% -2.45 — 0–3 (0%) — -0.44 — — — — — — — — — — — — — — — —
20 1998 1693 135.0 +1.40 +0.76 1.086 51.6% — +49 — 60.7% +0.82 6–3 (67%) 7–4 (64%) 105.8 +0.16 1988 1525 111.4 — — — — — +31 — 50.0% -0.10 1–1 — — +0.09
21 1999 1686 139.7 -0.12 -0.36 0.955 49.2% -82 +41 — 48.9% -0.15 13–8 (62%) 8–12 (40%) 102.1 -2.14 1989 1512 107.2 — — — — — +23 — 33.3% -1.56 2–2 (50%) 1–0 — -0.12
22 2000 1654 140.1 -1.32 +0.40 0.927 48.9% -11 +35 — 44.7% -0.32 3–9 (25%) 11–9 (55%) 96.2 -1.74 1990 1555 125.0 — — — — — +67 — 45.5% -0.33 1–5 (17%) 1–2 (33%) 95.8 -0.64
23 2001 1728 134.3 -0.06 -0.52 0.984 49.7% +4 -42 — 52.6% -0.02 6–8 (43%) 7–10 (41%) 94.8 +0.40 1991 1659 134.9 +0.10 +2.53 1.103 52.1% -95 +49 — 54.8% +0.42 6–7 (46%) 6–5 (55%) 102.9 +0.42
24 2002 1630 131.3 -1.34 -1.62 0.909 48.4% -50 +149 — 45.0% -0.41 6–11 (35%) 10–10 (50%) 97.8 +0.24 1992 1763 151.0 +1.18 +3.78 1.126 52.4% -156 +121 — 61.5% +0.86 6–5 (55%) 12–9 (57%) 102.6 -0.98
25 2003 1756 148.5 +0.98 +3.48 1.081 51.2% -111 +149 — 54.3% +0.34 11–6 (65%) 8–11 (42%) 105.3 -1.74 1993 1873 154.5 +3.13 +3.68 1.220 53.7% -176 +95 — 64.1% +1.05 10–15 (40%) 12–15 (44%) 93.5 +1.77
26 2004 1691 140.6 +0.79 +1.45 1.075 51.2% -115 +205 — 52.3% +0.34 8–4 (67%) 8–13 (38%) 97.6 +0.76 1994 1677 142.1 +0.42 +3.28 1.101 51.8% 0 +125 — 56.8% +0.48 9–10 (47%) 15–10 (60%) 99.6 +1.72
27 2005 1723 141.7 +0.72 +1.71 1.078 51.3% -113 +106 — 54.8% +0.40 5–5 (50%) 6–7 (46%) 98.2 -0.73 1995 1757 144.5 -0.47 +1.82 1.016 50.4% -46 +58 — 54.5% +0.22 11–7 (61%) 12–9 (57%) 104.7 -0.98
28 2006 1596 111.4 -0.52 -1.38 0.949 49.1% — +127 — 40.0% -0.60 2–3 (40%) 3–1 (75%) 98.7 +0.08 1996 1647 138.9 -2.69 +4.11 1.012 50.4% +30 +93 — 49.2% +0.02 9–6 (60%) 4–5 (44%) 101.1 -0.10
29 2007 1603 126.2 -2.06 +1.76 0.992 49.7% — +106 — 49.0% -0.08 0–4 (0%) 5–2 (71%) 96.8 +0.12 1997 1629 132.1 -3.34 +1.11 0.927 48.5% -56 +109 — 47.5% -0.29 6–7 (46%) 4–3 (57%) 98.5 +0.95
30 2008 1556 98.9 -0.91 -5.19 0.761 44.5% — — — 16.7% -2.33 — 1–0 — +0.34 1998 1571 136.2 -1.98 +2.09 1.021 50.6% +15 +79 — 51.4% +0.16 5–11 (31%) 6–7 (46%) 96.3 +0.64
31 2009 1547 98.5 — — — — — — — — — — — — — 1999 1475 106.0 -1.58 -0.67 0.931 48.2% +34 +99 — 21.4% -1.32 0–3 (0%) 1–1 — +0.13
Career — 1868 142.7 -0.16 +0.79 0.999 49.9% -64 +94 — 49.6% -0.01 64–62 (51%) 77–85 (48%) 98.6 -1.17 — 1961 147.0 -0.23 +2.80 1.066 51.3% -54 +91 — 54.2% +0.32 66–79 (46%) 74–66 (53%) 98.9 +0.66

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.