H2H data updated: 2026-09-14 00:00 UTC

Ann Grossman vs Naoko Sawamatsu H2H: 1-2

Naoko Sawamatsu holds a 2–1 lead over Ann Grossman in their WTA head-to-head. Across 3 main-draw meetings, they are tied 1–1 on hard courts, while Naoko Sawamatsu leads 1–0 on clay. Most recently, Naoko Sawamatsu won the 1996 Toyota Princess Cup round of 32 6-1 6-3.

USA Age 55 Right-Handed 180 cm / 5'11"
H2H
1 2
3 main-draw meetings
JPN Age 53 Right-Handed 167 cm / 5'6"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Naoko Sawamatsu #31 6-1 6-3 Ann Grossman #75 Match data Sep 19, 1996* R32 Toyota Princess Cup Tier II modern equivalent WTA 500 Hard
Naoko Sawamatsu #23 6-3 6-3 Ann Grossman #43 Match data May 6, 1994* R16 Italian Open Tier I modern equivalent WTA 1000 Clay
Ann Grossman #48 6-1 7-5 Naoko Sawamatsu #32 Match data Jan 9, 1991* R64 Sydney International Tier III modern equivalent WTA 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
Ann Grossman #343 #29 384 1,887 187 185 50.3% 0 0 0 0 0 0
Naoko Sawamatsu #266 #14 881 1,970 183 129 58.7% 0 0 0 0 4 4

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 Ann Grossman Naoko Sawamatsu
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1987 0–1 0.0% #378 1,497 0 0 1989 0–2 0.0% #262 1,477 0 0
17 1988 15–12 55.6% #48 1,699 0 0 1990 14–6 70.0% #31 1,669 0 1
18 1989 23–20 53.5% #54 1,736 0 0 1991 21–16 56.8% #33 1,723 0 1
19 1990 23–22 51.1% #50 1,748 0 0 1992 23–13 63.9% #24 1,856 0 1
20 1991 12–19 38.7% #89 1,638 0 0 1993 24–13 64.9% #28 1,853 0 2
21 1992 23–17 57.5% #36 1,733 0 0 1994 24–12 66.7% #26 1,870 0 3
22 1993 30–19 61.2% #35 1,804 0 0 1995 22–13 62.9% #17 1,847 0 3
23 1994 27–21 56.2% #37 1,853 0 0 1996 19–17 52.8% #38 1,811 0 3
24 1995 12–19 38.7% #88 1,681 0 0 1997 24–19 55.8% #34 1,849 0 4
25 1996 10–14 41.7% #72 1,665 0 0 1998 12–18 40.0% #55 1,721 0 4
26 1997 10–17 37.0% #75 1,615 0 0
27 1998 2–4 33.3% #283 1,595 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 Ann Grossman Naoko Sawamatsu
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 %
16 1987 0 1 1 0.0% 1989 0 1 1 0.0% 0 1 1 0.0%
17 1988 13 11 24 54.2% 2 1 3 66.7% 1990 13 3 16 81.3% 1 1 2 50.0% 0 2 2 0.0%
18 1989 16 11 27 59.3% 7 6 13 53.8% 0 2 2 0.0% 0 1 1 0.0% 1991 13 10 23 56.5% 7 3 10 70.0% 1 2 3 33.3% 0 1 1 0.0%
19 1990 9 12 21 42.9% 12 7 19 63.2% 1 1 2 50.0% 1 2 3 33.3% 1992 13 7 20 65.0% 5 4 9 55.6% 3 1 4 75.0% 2 1 3 66.7%
20 1991 4 11 15 26.7% 6 6 12 50.0% 1 1 2 50.0% 1 1 2 50.0% 1993 12 8 20 60.0% 7 2 9 77.8% 4 2 6 66.7% 1 1 2 50.0%
21 1992 15 8 23 65.2% 5 6 11 45.5% 3 3 6 50.0% 1994 15 7 22 68.2% 5 3 8 62.5% 4 2 6 66.7%
22 1993 21 12 33 63.6% 4 3 7 57.1% 1 1 2 50.0% 4 3 7 57.1% 1995 14 8 22 63.6% 4 3 7 57.1% 2 1 3 66.7% 2 1 3 66.7%
23 1994 16 10 26 61.5% 9 7 16 56.3% 2 1 3 66.7% 0 3 3 0.0% 1996 11 11 22 50.0% 4 3 7 57.1% 2 2 4 50.0% 2 1 3 66.7%
24 1995 5 10 15 33.3% 6 8 14 42.9% 1 1 2 50.0% 1997 20 12 32 62.5% 0 3 3 0.0% 2 2 4 50.0% 2 2 4 50.0%
25 1996 8 9 17 47.1% 2 4 6 33.3% 0 1 1 0.0% 1998 6 10 16 37.5% 3 5 8 37.5% 2 2 4 50.0% 1 1 2 50.0%
26 1997 3 9 12 25.0% 7 7 14 50.0% 0 1 1 0.0%
27 1998 1 2 3 33.3% 1 2 3 33.3%
Career 111 106 217 51.2% 59 56 115 51.3% 6 9 15 40.0% 11 14 25 44.0% 117 77 194 60.3% 36 27 63 57.1% 20 16 36 55.6% 10 9 19 52.6%

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 Ann Grossman Naoko Sawamatsu
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
16 1987 1497 101.9 0.0% -4.00 -0.15 1989 1477 96.0 20.0% -2.20 0–1 +0.30
17 1988 1699 133.9 +28 54.1% +0.13 4–3 (57%) 0–5 (0%) 100.1 +0.16 1990 1669 124.7 +57 62.5% +0.77 6–2 (75%) 5–1 (83%) 110.2 +1.75
18 1989 1737 136.2 +43 -89 52.5% +0.05 8–7 (53%) 4–5 (44%) 101.2 -1.22 1991 1724 133.2 -8 -44 -170 55.4% +0.49 5–6 (45%) 1–1 +2.14
19 1990 1749 136.3 -12 +8 51.0% +0.02 7–7 (50%) 2–4 (33%) -1.48 1992 1857 143.8 -17 -155 -248 60.7% +0.42 7–5 (58%) 4–2 (67%) 104.0 -0.25
20 1991 1638 126.7 -16 +89 44.3% +0.06 3–7 (30%) 2–6 (25%) 91.9 +0.49 1993 1853 139.0 -68 -33 -152 62.1% +0.86 7–6 (54%) 2–0 +0.17
21 1992 1733 132.9 +24 -9 52.9% -0.03 6–3 (67%) 6–1 (86%) 108.7 +1.73 1994 1871 146.2 -20 -58 -130 60.7% +1.00 9–3 (75%) 4–3 (57%) 106.5 -0.99
22 1993 1805 140.5 +9 -60 59.6% +0.62 6–7 (46%) 6–3 (67%) 103.6 +0.77 1995 1848 150.6 +59 -74 -92 58.6% +0.48 10–7 (59%) 6–3 (67%) 103.1 +1.09
23 1994 1853 146.2 0 -73 -249 53.6% -0.01 10–6 (63%) 5–2 (71%) 107.3 -1.02 1996 1812 145.0 +5 +4 -6 53.2% +0.02 5–6 (45%) 3–2 (60%) 97.8 -0.27
24 1995 1681 123.7 +38 +44 40.8% -0.46 4–5 (44%) 3–9 (25%) 92.7 +0.33 1997 1850 153.6 +44 -92 -62 54.0% +0.35 10–6 (63%) 5–5 (50%) 103.9 -1.59
25 1996 1666 130.2 +49 +8 42.9% -0.62 4–4 (50%) 0–2 -0.99 1998 1721 125.2 +37 -25 +64 40.5% -0.62 8–6 (57%) 1–1 -0.88
26 1997 1615 123.7 +26 +98 38.6% -1.25 1–4 (20%) 2–2 (50%) 97.1 -0.41
27 1998 1595 103.2 +41 +76 33.3% -1.58 1–0 +0.11
Career 1888 140.3 +18 +6 -249 49.9% -0.10 53–53 (50%) 31–39 (44%) 99.5 -0.45 1971 148.7 +11 -58 -103 56.1% +0.40 67–48 (58%) 31–18 (63%) 109.3 +0.47

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.