H2H data updated: 2026-09-07 00:00 UTC

Mariano Zabaleta vs Jan-Michael Gambill H2H: 0-1

Jan-Michael Gambill holds a 1–0 lead over Mariano Zabaleta in their ATP head-to-head. Across 1 main-draw meeting, Jan-Michael Gambill leads 1–0 on clay. Most recently, Jan-Michael Gambill won the 1998 Atlanta round of 32 0-6 7-6(2) 7-5.

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Mariano Zabaleta
ARG Age 48 Right-Handed 183 cm / 6'0"
H2H
0 – 1
1 main-draw meetings
Jan-Michael Gambill
USA Age 49 Right-Handed 190 cm / 6'3"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Jan-Michael Gambill #68 0-6 7-6(2) 7-5 Mariano Zabaleta #229 Match data Apr 30, 1998* R32 Atlanta 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
Mariano Zabaleta #1,009 #21 1,426 1,868 201 208 49.1% 0 0 0 0 3 3
Jan-Michael Gambill #1,352 #14 1,655 1,949 201 191 51.3% 0 0 0 0 3 3

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 Jan-Michael Gambill
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 1995 0–1 0.0% — 1,487 0 0
19 1997 0–6 0.0% #257 1,532 0 0 — — — — — — —
20 1998 14–8 63.6% #63 1,692 0 1 1997 3–5 37.5% #186 1,520 0 0
21 1999 28–29 49.1% #28 1,686 0 1 1998 31–23 57.4% #38 1,754 0 0
22 2000 19–27 41.3% #61 1,654 0 1 1999 25–25 50.0% #58 1,762 0 1
23 2001 18–18 50.0% #59 1,728 0 1 2000 33–26 55.9% #33 1,818 0 1
24 2002 20–28 41.7% #53 1,629 0 1 2001 35–22 61.4% #21 1,759 0 2
25 2003 33–24 57.9% #27 1,755 0 2 2002 28–26 51.9% #42 1,756 0 2
26 2004 25–21 54.3% #54 1,690 0 3 2003 22–25 46.8% #51 1,643 0 3
27 2005 20–16 55.6% #83 1,723 0 3 2004 18–25 41.9% #95 1,595 0 3
28 2006 4–8 33.3% #243 1,595 0 3 2005 5–10 33.3% #191 1,558 0 3
29 2007 9–11 45.0% #104 1,602 0 3 2006 1–1 50.0% #687 1,568 0 3
30 2008 0–2 0.0% #1141 1,556 0 3 2007 0–2 0.0% #1107 1,504 0 3

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 Jan-Michael Gambill
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% — — — — — — — — 1995 0 1 1 0.0% — — — — — — — — — — — —
19 1997 0 2 2 0.0% 0 4 4 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
20 1998 — — — — 14 8 22 63.6% — — — — — — — — 1997 3 4 7 42.9% 0 1 1 0.0% — — — — — — — —
21 1999 9 13 22 40.9% 18 14 32 56.3% — — — — 1 2 3 33.3% 1998 23 13 36 63.9% 3 4 7 42.9% 2 3 5 40.0% 3 3 6 50.0%
22 2000 11 16 27 40.7% 8 10 18 44.4% 0 1 1 0.0% — — — — 1999 20 15 35 57.1% 1 5 6 16.7% 3 3 6 50.0% 1 2 3 33.3%
23 2001 9 7 16 56.3% 9 10 19 47.4% 0 1 1 0.0% — — — — 2000 20 17 37 54.1% 3 4 7 42.9% 8 3 11 72.7% 2 2 4 50.0%
24 2002 3 13 16 18.8% 17 13 30 56.7% 0 1 1 0.0% 0 1 1 0.0% 2001 29 13 42 69.0% 2 4 6 33.3% 2 3 5 40.0% 2 2 4 50.0%
25 2003 13 12 25 52.0% 20 10 30 66.7% 0 1 1 0.0% 0 1 1 0.0% 2002 24 16 40 60.0% 1 5 6 16.7% 3 2 5 60.0% 0 3 3 0.0%
26 2004 2 7 9 22.2% 22 12 34 64.7% — — — — 1 2 3 33.3% 2003 20 17 37 54.1% 0 5 5 0.0% 2 3 5 40.0% — — — —
27 2005 4 5 9 44.4% 16 11 27 59.3% — — — — — — — — 2004 15 18 33 45.5% 0 3 3 0.0% 3 4 7 42.9% — — — —
28 2006 0 2 2 0.0% 4 6 10 40.0% — — — — — — — — 2005 5 10 15 33.3% — — — — — — — — — — — —
29 2007 0 1 1 0.0% 9 9 18 50.0% 0 1 1 0.0% — — — — 2006 1 1 2 50.0% — — — — — — — — — — — —
30 2008 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — 2007 0 1 1 0.0% 0 1 1 0.0% — — — — — — — —
Career — 51 79 130 39.2% 148 118 266 55.6% 0 5 5 0.0% 2 6 8 25.0% — 160 126 286 55.9% 10 32 42 23.8% 23 21 44 52.3% 8 12 20 40.0%

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 105/109 of Jan-Michael Gambill'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 Jan-Michael Gambill
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% — —/— — — — — — — — — —
24 2002 43/48 4.3 3.3 58.3% 67.9% 50.7% 53.8% 43.4% 60.5% 35.9% — —/— — — — — — — — — —
25 2003 55/57 3.1 2.7 58.8% 69.6% 52.1% 51.0% 41.5% 62.4% 40.6% — —/— — — — — — — — — —
26 2004 45/46 3.8 2.9 61.6% 70.9% 52.5% 55.5% 40.2% 63.6% 39.1% 2003 43/47 10.1 3.1 56.5% 75.0% 47.9% 60.7% 48.3% 63.4% 36.0%
27 2005 36/36 4.4 4.2 56.7% 70.9% 52.8% 60.5% 41.5% 63.2% 39.7% 2004 43/43 11.7 3.1 59.1% 76.0% 47.7% 57.9% 38.7% 64.3% 34.3%
28 2006 12/12 3.6 3.6 58.8% 71.9% 46.8% 59.6% 32.0% 61.7% 36.4% 2005 15/15 12.3 3.9 56.6% 76.7% 45.9% 58.6% 27.7% 63.3% 32.1%
29 2007 18/20 3.7 3.7 59.7% 67.6% 49.4% 57.3% 39.5% 60.4% 39.3% 2006 2/2 11.5 7.0 47.8% 73.2% 44.1% 59.7% 35.0% 57.0% 39.4%
30 2008 2/2 8.5 6.5 50.4% 71.9% 41.1% 58.7% 31.0% 56.2% 33.3% 2007 2/2 9.5 5.5 58.7% 79.4% 39.2% 37.5% 20.8% 62.8% 26.7%
Career — 375/409 4.2 3.5 57.3% 69.9% 50.6% 56.7% 41.4% 61.5% 38.5% — 105/392 11.1 3.4 57.5% 75.7% 47.3% 58.8% 40.7% 63.6% 34.6%

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 Jan-Michael Gambill
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 1995 1487 99.7 — — — — — — — 0.0% -3.00 — — — +0.04
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 1997 1520 116.3 — — — — +18 — — 33.3% -1.17 1–0 3–1 (75%) — -0.59
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 1998 1755 144.7 — — — — +27 -222 -139 53.4% +0.32 13–4 (76%) 11–12 (48%) 111.1 +0.72
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 1999 1763 145.0 — — — — +37 -263 -154 51.2% +0.26 8–11 (42%) 10–9 (53%) 102.4 -2.53
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 2000 1819 143.8 — — — — -27 -296 -44 56.3% +0.60 10–10 (50%) 10–17 (37%) 96.8 -1.79
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 2001 1759 150.9 — — — — +67 -256 -39 61.9% +0.81 8–6 (57%) 11–10 (52%) 99.4 +0.99
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 2002 1756 148.6 — — — — +48 -275 -49 51.9% +0.44 11–10 (52%) 11–14 (44%) 92.3 -0.54
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 2003 1644 133.1 +0.95 -1.36 0.983 50.0% +72 -213 +27 48.2% +0.07 5–6 (45%) 9–9 (50%) 96.5 +1.55
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 2004 1596 125.6 +0.40 -1.44 0.961 49.5% +33 -178 +70 44.1% -0.30 3–7 (30%) 13–11 (54%) 98.0 +1.48
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 2005 1559 116.9 -1.32 -3.12 0.876 47.9% +9 — — 33.3% -0.92 2–2 (50%) 4–3 (57%) 101.5 +0.61
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 2006 1569 105.0 -1.55 +1.41 0.916 48.6% — — — 40.0% -0.60 1–0 — — +0.02
30 2008 1556 98.9 -0.91 -5.19 0.761 44.5% — — — 16.7% -2.33 — 1–0 — +0.34 2007 1505 103.5 -0.27 -2.33 0.719 44.4% — — — 0.0% -1.75 — 0–1 — +0.01
31 2009 1547 98.5 — — — — — — — — — — — — — 2008 1506 100.9 — — — — — — — — — — — — —
33 — — — — — — — — — — — — — — — — 2010 1508 103.1 — — — — — — — — — — — — —
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 — 1949 145.6 +0.33 -1.61 0.952 49.4% +35 -250 -44 51.3% +0.24 62–56 (53%) 82–87 (49%) 100.1 -0.01

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.