H2H data updated: 2026-10-17 00:00 UTC

Jan-Michael Gambill vs Cecil Mamiit H2H: 1-0

Jan-Michael Gambill holds a 1–0 lead over Cecil Mamiit in their ATP head-to-head. Across 1 main-draw meeting, Jan-Michael Gambill leads 1–0 on hard courts. Most recently, Jan-Michael Gambill won the 2000 Los Angeles Open round of 32 6-3 6-2.

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Jan-Michael Gambill
USA Age 49 Right-Handed 190 cm / 6'3"
H2H
1 – 0
1 main-draw meetings
Cecil Mamiit
PHI Age 50 Right-Handed 173 cm / 5'8"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Jan-Michael Gambill #38 6-3 6-2 Cecil Mamiit #125 Match data Jul 27, 2000* R32 Los Angeles Open ATP International 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
Jan-Michael Gambill #1,352 #14 1,655 1,949 201 191 51.3% 0 0 0 0 3 3
Cecil Mamiit #1,573 #72 625 1,631 48 95 33.6% 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 Jan-Michael Gambill Cecil Mamiit
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 1995 0–1 0.0% — 1,487 0 0 — — — — — — —
20 1997 3–5 37.5% #186 1,520 0 0 1996 0–4 0.0% #200 1,471 0 0
21 1998 31–23 57.4% #38 1,754 0 0 1997 2–7 22.2% #229 1,441 0 0
22 1999 25–25 50.0% #58 1,762 0 1 1998 0–1 0.0% #130 1,432 0 0
23 2000 33–26 55.9% #33 1,818 0 1 1999 16–18 47.1% #93 1,552 0 0
24 2001 35–22 61.4% #21 1,759 0 2 2000 6–12 33.3% #121 1,537 0 0
25 2002 28–26 51.9% #42 1,756 0 2 2001 10–18 35.7% #111 1,555 0 0
26 2003 22–25 46.8% #51 1,643 0 3 2002 8–14 36.4% #111 1,555 0 0
27 2004 18–25 41.9% #95 1,595 0 3 2003 3–15 16.7% #183 1,433 0 0
28 2005 5–10 33.3% #191 1,558 0 3 2004 1–3 25.0% #226 1,492 0 0
29 2006 1–1 50.0% #687 1,568 0 3 2005 1–2 33.3% #209 1,469 0 0
30 2007 0–2 0.0% #1107 1,504 0 3 — — — — — — —
32 — — — — — — — 2008 1–1 50.0% #462 1,468 0 0

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 Jan-Michael Gambill Cecil Mamiit
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 %
18 1995 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
20 1997 3 4 7 42.9% 0 1 1 0.0% — — — — — — — — 1996 0 4 4 0.0% — — — — — — — — — — — —
21 1998 23 13 36 63.9% 3 4 7 42.9% 2 3 5 40.0% 3 3 6 50.0% 1997 2 6 8 25.0% — — — — 0 1 1 0.0% — — — —
22 1999 20 15 35 57.1% 1 5 6 16.7% 3 3 6 50.0% 1 2 3 33.3% 1998 0 1 1 0.0% — — — — — — — — — — — —
23 2000 20 17 37 54.1% 3 4 7 42.9% 8 3 11 72.7% 2 2 4 50.0% 1999 13 12 25 52.0% 2 3 5 40.0% 1 3 4 25.0% — — — —
24 2001 29 13 42 69.0% 2 4 6 33.3% 2 3 5 40.0% 2 2 4 50.0% 2000 6 11 17 35.3% 0 1 1 0.0% — — — — — — — —
25 2002 24 16 40 60.0% 1 5 6 16.7% 3 2 5 60.0% 0 3 3 0.0% 2001 8 14 22 36.4% 1 1 2 50.0% 1 3 4 25.0% — — — —
26 2003 20 17 37 54.1% 0 5 5 0.0% 2 3 5 40.0% — — — — 2002 6 9 15 40.0% 1 1 2 50.0% 1 4 5 20.0% — — — —
27 2004 15 18 33 45.5% 0 3 3 0.0% 3 4 7 42.9% — — — — 2003 2 9 11 18.2% 0 4 4 0.0% 1 2 3 33.3% — — — —
28 2005 5 10 15 33.3% — — — — — — — — — — — — 2004 1 3 4 25.0% — — — — — — — — — — — —
29 2006 1 1 2 50.0% — — — — — — — — — — — — 2005 0 1 1 0.0% — — — — — — — — 1 1 2 50.0%
30 2007 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
32 — — — — — — — — — — — — — — — — — 2008 1 1 2 50.0% — — — — — — — — — — — —
Career — 160 126 286 55.9% 10 32 42 23.8% 23 21 44 52.3% 8 12 20 40.0% — 39 71 110 35.5% 4 10 14 28.6% 4 13 17 23.5% 1 1 2 50.0%

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 105/109 of Jan-Michael Gambill's and 128/143 of Cecil Mamiit'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 Jan-Michael Gambill Cecil Mamiit
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%
20 — —/— — — — — — — — — — 1996 3/4 2.7 5.3 45.4% 60.2% 51.2% 50.2% 42.9% 55.3% 33.2%
21 — —/— — — — — — — — — — 1997 8/9 4.4 2.0 59.6% 67.9% 47.4% 49.8% 55.1% 59.7% 35.8%
22 — —/— — — — — — — — — — 1998 1/1 3.0 2.0 61.5% 70.8% 56.7% 42.9% 80.0% 65.4% 42.9%
23 — —/— — — — — — — — — — 1999 32/34 2.6 3.0 57.3% 65.9% 47.7% 50.8% 38.8% 58.0% 39.6%
24 — —/— — — — — — — — — — 2000 14/18 2.4 2.8 54.3% 67.2% 48.8% 56.2% 38.3% 59.0% 36.7%
25 — —/— — — — — — — — — — 2001 23/28 4.2 3.0 58.1% 67.3% 49.1% 61.8% 35.1% 59.7% 36.4%
26 2003 43/47 10.1 3.1 56.5% 75.0% 47.9% 60.7% 48.3% 63.4% 36.0% 2002 20/22 3.5 3.3 57.9% 66.7% 49.9% 60.6% 39.4% 59.5% 37.2%
27 2004 43/43 11.7 3.1 59.1% 76.0% 47.7% 57.9% 38.7% 64.3% 34.3% 2003 18/18 1.8 2.7 62.6% 62.6% 42.3% 49.5% 41.2% 55.2% 34.4%
28 2005 15/15 12.3 3.9 56.6% 76.7% 45.9% 58.6% 27.7% 63.3% 32.1% 2004 4/4 3.8 1.8 51.5% 68.5% 51.2% 54.3% 24.2% 59.9% 37.9%
29 2006 2/2 11.5 7.0 47.8% 73.2% 44.1% 59.7% 35.0% 57.0% 39.4% 2005 3/3 3.7 2.0 68.5% 74.3% 58.9% 36.4% 27.8% 69.5% 36.5%
30 2007 2/2 9.5 5.5 58.7% 79.4% 39.2% 37.5% 20.8% 62.8% 26.7% — —/— — — — — — — — — —
32 — —/— — — — — — — — — — 2008 2/2 5.5 2.0 60.9% 72.3% 51.4% 61.1% 54.2% 63.8% 35.8%
Career — 105/392 11.1 3.4 57.5% 75.7% 47.3% 58.8% 40.7% 63.6% 34.6% — 128/143 3.1 2.9 58.0% 66.4% 48.2% 54.5% 39.5% 58.8% 37.1%

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 Jan-Michael Gambill Cecil Mamiit
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
18 1995 1487 99.7 — — — — — — — 0.0% -3.00 — — — +0.04 — — — — — — — — — — — — — — — —
20 1997 1520 116.3 — — — — +18 — — 33.3% -1.17 1–0 3–1 (75%) — -0.59 1996 1471 104.3 +1.39 -2.25 0.743 44.8% +16 — — 18.2% -2.27 0–2 1–1 — -0.21
21 1998 1755 144.7 — — — — +27 -222 -139 53.4% +0.32 13–4 (76%) 11–12 (48%) 111.1 +0.72 1997 1441 108.9 -1.33 -0.30 0.887 47.8% +21 — — 30.4% -1.17 1–2 (33%) 0–2 — +0.42
22 1999 1763 145.0 — — — — +37 -263 -154 51.2% +0.26 8–11 (42%) 10–9 (53%) 102.4 -2.53 1998 1432 101.1 -0.76 -1.41 1.238 53.7% — — — 33.3% +0.33 0–1 — — +0.13
23 2000 1819 143.8 — — — — -27 -296 -44 56.3% +0.60 10–10 (50%) 10–17 (37%) 96.8 -1.79 1999 1552 118.6 -2.72 +1.29 0.942 48.7% +21 -25 -7 46.0% -0.43 6–6 (50%) 7–5 (58%) 105.5 +1.34
24 2001 1759 150.9 — — — — +67 -256 -39 61.9% +0.81 8–6 (57%) 11–10 (52%) 99.4 +0.99 2000 1538 123.5 -0.49 +0.64 0.895 47.9% +26 — — 38.6% -0.75 1–4 (20%) 1–2 (33%) 96.4 -0.42
25 2002 1756 148.6 — — — — +48 -275 -49 51.9% +0.44 11–10 (52%) 11–14 (44%) 92.3 -0.54 2001 1556 118.7 -2.71 -1.19 0.903 48.3% -16 — -31 44.3% -0.54 3–10 (23%) 5–4 (56%) 96.1 +1.11
26 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 2002 1556 122.3 -2.06 -0.26 0.918 48.5% +28 — -90 38.9% -0.89 1–3 (25%) 6–1 (86%) 103.7 +0.65
27 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 2003 1434 110.8 -4.02 -1.08 0.769 45.2% +49 +79 +15 26.7% -1.56 1–4 (20%) 4–4 (50%) 98.3 -0.14
28 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 2004 1493 110.5 -0.62 +1.04 0.944 49.1% +47 — — 37.5% -0.38 1–1 — — -0.32
29 2006 1569 105.0 -1.55 +1.41 0.916 48.6% — — — 40.0% -0.60 1–0 — — +0.02 2005 1469 101.4 +0.98 -1.17 1.195 52.7% +44 — — 60.0% +1.00 0–1 — — +0.37
30 2007 1505 103.5 -0.27 -2.33 0.719 44.4% — — — 0.0% -1.75 — 0–1 — +0.01 2006 1430 95.2 — — — — — — — — — — — — —
31 2008 1506 100.9 — — — — — — — — — — — — — 2007 1433 89.5 — — — — — — — — — — — — —
32 — — — — — — — — — — — — — — — — 2008 1469 105.8 -0.73 -1.29 0.989 49.4% — — — 40.0% -0.40 1–0 0–1 — +0.10
33 2010 1508 103.1 — — — — — — — — — — — — — 2009 1449 98.8 — — — — — — — — — — — — —
34 — — — — — — — — — — — — — — — — 2010 1440 101.1 — — — — — — — — — — — — —
35 — — — — — — — — — — — — — — — — 2011 1432 98.6 — — — — — — — — — — — — —
Career — 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 — 1631 117.9 -2.17 -0.11 0.899 48.0% +20 +21 -35 39.3% -0.78 15–34 (31%) 24–20 (55%) 99.3 +2.12

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.