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

Chanda Rubin vs Naoko Sawamatsu H2H: 1-2

Naoko Sawamatsu holds a 2–1 lead over Chanda Rubin in their WTA head-to-head. Across 3 main-draw meetings, Naoko Sawamatsu leads 2–1 on hard courts. Most recently, Naoko Sawamatsu won the 1997 Canadian Open round of 64 6-1 6-4.

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Chanda Rubin
USA Age 50 Right-Handed 168 cm / 5'6"
H2H
1 – 2
3 main-draw meetings
Naoko Sawamatsu
JPN Age 53 Right-Handed 167 cm / 5'6"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Naoko Sawamatsu #52 6-1 6-4 Chanda Rubin #34 Match data Aug 13, 1997* R64 Canadian Open Tier I → modern equivalent WTA 1000 Hard
Chanda Rubin #25 7-5 2-6 7-5 Naoko Sawamatsu #46 Match data Mar 13, 1997* R32 Indian Wells Open Tier I → modern equivalent WTA 1000 Hard
Naoko Sawamatsu #25 3-6 6-2 6-0 Chanda Rubin #61 Match data Sep 24, 1993* R32 Tokyo Nichirei Tier II → modern equivalent WTA 500 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
Chanda Rubin #1,122 #6 2,554 2,042 345 232 59.8% 0 0 0 3 4 7
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 Chanda Rubin Naoko Sawamatsu
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
14 1990 0–1 0.0% #526 1,489 0 0 — — — — — — —
15 1991 8–6 57.1% #84 1,583 0 0 — — — — — — —
16 1992 10–15 40.0% #84 1,616 0 0 1989 0–2 0.0% #262 1,477 0 0
17 1993 15–17 46.9% #70 1,653 0 0 1990 14–6 70.0% #31 1,669 0 1
18 1994 28–17 62.2% #23 1,804 0 0 1991 21–16 56.8% #33 1,723 0 1
19 1995 38–19 66.7% #15 1,934 0 0 1992 23–13 63.9% #24 1,856 0 1
20 1996 20–9 69.0% #17 1,985 0 0 1993 24–13 64.9% #28 1,853 0 2
21 1997 23–20 53.5% #32 1,813 0 1 1994 24–12 66.7% #26 1,870 0 3
22 1998 20–19 51.3% #35 1,799 0 1 1995 22–13 62.9% #17 1,847 0 3
23 1999 33–20 62.3% #22 1,839 0 2 1996 19–17 52.8% #38 1,811 0 3
24 2000 42–22 65.6% #13 1,940 0 3 1997 24–19 55.8% #34 1,849 0 4
25 2001 16–16 50.0% #52 1,816 0 3 1998 12–18 40.0% #55 1,721 0 4
26 2002 29–11 72.5% #13 1,962 0 5 — — — — — — —
27 2003 43–20 68.3% #9 1,917 0 7 — — — — — — —
28 2004 18–11 62.1% #52 1,858 0 7 — — — — — — —
29 2005 1–2 33.3% #545 1,820 0 7 — — — — — — —
30 2006 1–7 12.5% #486 1,718 0 7 — — — — — — —

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 Chanda Rubin 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 %
14 1990 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
15 1991 7 5 12 58.3% 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — — — — — —
16 1992 9 9 18 50.0% 1 4 5 20.0% 0 2 2 0.0% — — — — 1989 0 1 1 0.0% — — — — — — — — 0 1 1 0.0%
17 1993 5 9 14 35.7% 4 2 6 66.7% 5 3 8 62.5% 1 3 4 25.0% 1990 13 3 16 81.3% 1 1 2 50.0% 0 2 2 0.0% — — — —
18 1994 13 7 20 65.0% 6 4 10 60.0% 0 2 2 0.0% 9 4 13 69.2% 1991 13 10 23 56.5% 7 3 10 70.0% 1 2 3 33.3% 0 1 1 0.0%
19 1995 17 8 25 68.0% 11 6 17 64.7% 7 2 9 77.8% 3 3 6 50.0% 1992 13 7 20 65.0% 5 4 9 55.6% 3 1 4 75.0% 2 1 3 66.7%
20 1996 17 5 22 77.3% 1 1 2 50.0% 0 1 1 0.0% 2 2 4 50.0% 1993 12 8 20 60.0% 7 2 9 77.8% 4 2 6 66.7% 1 1 2 50.0%
21 1997 8 10 18 44.4% 5 4 9 55.6% 0 2 2 0.0% 10 4 14 71.4% 1994 15 7 22 68.2% 5 3 8 62.5% 4 2 6 66.7% — — — —
22 1998 6 10 16 37.5% 5 5 10 50.0% 4 2 6 66.7% 5 2 7 71.4% 1995 14 8 22 63.6% 4 3 7 57.1% 2 1 3 66.7% 2 1 3 66.7%
23 1999 26 12 38 68.4% 6 4 10 60.0% 0 2 2 0.0% 1 2 3 33.3% 1996 11 11 22 50.0% 4 3 7 57.1% 2 2 4 50.0% 2 1 3 66.7%
24 2000 24 12 36 66.7% 9 4 13 69.2% 3 2 5 60.0% 6 4 10 60.0% 1997 20 12 32 62.5% 0 3 3 0.0% 2 2 4 50.0% 2 2 4 50.0%
25 2001 12 10 22 54.5% 1 4 5 20.0% 3 2 5 60.0% — — — — 1998 6 10 16 37.5% 3 5 8 37.5% 2 2 4 50.0% 1 1 2 50.0%
26 2002 13 7 20 65.0% 8 3 11 72.7% 8 1 9 88.9% — — — — — — — — — — — — — — — — — — — — —
27 2003 27 15 42 64.3% 8 3 11 72.7% 6 1 7 85.7% 2 1 3 66.7% — — — — — — — — — — — — — — — — —
28 2004 15 8 23 65.2% 0 1 1 0.0% 0 1 1 0.0% 3 1 4 75.0% — — — — — — — — — — — — — — — — —
29 2005 1 1 2 50.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
30 2006 1 6 7 14.3% — — — — — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
Career — 201 135 336 59.8% 66 47 113 58.4% 36 23 59 61.0% 42 27 69 60.9% — 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 Chanda Rubin 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
14 1990 1489 99.2 — — — — — — — 0.0% -3.00 — — — +0.06 — — — — — — — — — — — — — — — —
15 1991 1584 123.6 — — — — +18 — — 56.3% +0.37 2–2 (50%) 3–1 (75%) 102.4 +0.85 — — — — — — — — — — — — — — — —
16 1992 1617 121.6 — — — — +45 -100 — 40.7% -0.90 5–4 (56%) 2–2 (50%) 103.5 +0.28 1989 1477 96.0 — — — — — — — 20.0% -2.20 0–1 — — +0.30
17 1993 1653 130.3 — — — — -45 -47 +2 46.6% -0.53 5–4 (56%) 1–1 — -0.24 1990 1669 124.7 — — — — +57 — — 62.5% +0.77 6–2 (75%) 5–1 (83%) 110.2 +1.75
18 1994 1804 148.9 — — — — +16 -107 — 58.4% +0.56 10–5 (67%) 8–2 (80%) 111.5 -1.24 1991 1724 133.2 — — — — -8 -44 -170 55.4% +0.49 5–6 (45%) 1–1 — +2.14
19 1995 1934 157.2 — — — — -22 -151 -210 64.6% +1.22 10–10 (50%) 10–8 (56%) 103.9 +0.03 1992 1857 143.8 — — — — -17 -155 -248 60.7% +0.42 7–5 (58%) 4–2 (67%) 104.0 -0.25
20 1996 1986 164.3 — — — — +40 — — 60.9% +0.84 9–1 (90%) 2–3 (40%) 106.7 -1.38 1993 1853 139.0 — — — — -68 -33 -152 62.1% +0.86 7–6 (54%) 2–0 — +0.17
21 1997 1814 153.7 — — — — +40 +33 — 53.2% +0.21 6–4 (60%) 8–4 (67%) 104.2 -2.41 1994 1871 146.2 — — — — -20 -58 -130 60.7% +1.00 9–3 (75%) 4–3 (57%) 106.5 -0.99
22 1998 1800 144.1 — — — — +21 +15 -63 49.4% +0.27 7–4 (64%) 2–4 (33%) 100.7 -0.79 1995 1848 150.6 — — — — +59 -74 -92 58.6% +0.48 10–7 (59%) 6–3 (67%) 103.1 +1.09
23 1999 1839 156.4 — — — — +47 -68 — 62.2% +0.81 5–10 (33%) 8–3 (73%) 98.5 -2.46 1996 1812 145.0 — — — — +5 +4 -6 53.2% +0.02 5–6 (45%) 3–2 (60%) 97.8 -0.27
24 2000 1941 157.5 — — — — +8 -111 -226 61.4% +0.66 14–9 (61%) 3–5 (38%) 100.4 -2.47 1997 1850 153.6 — — — — +44 -92 -62 54.0% +0.35 10–6 (63%) 5–5 (50%) 103.9 -1.59
25 2001 1816 133.7 — — — — +33 -63 -24 52.2% +0.17 5–4 (56%) 3–4 (43%) 98.0 -0.54 1998 1721 125.2 — — — — +37 -25 +64 40.5% -0.62 8–6 (57%) 1–1 — -0.88
26 2002 1962 162.2 — — — — -46 -101 +11 68.5% +1.48 6–3 (67%) 4–1 (80%) 109.0 -3.02 — — — — — — — — — — — — — — — —
27 2003 1918 157.5 +1.04 +3.08 1.104 51.9% -9 +11 +142 62.9% +0.85 13–6 (68%) 4–3 (57%) 104.3 -0.62 — — — — — — — — — — — — — — — —
28 2004 1858 136.0 +2.06 +2.08 1.157 53.1% +22 — — 58.7% +0.65 6–3 (67%) 4–6 (40%) 96.4 +0.02 — — — — — — — — — — — — — — — —
29 2005 1821 106.0 — — — — — — — 33.3% -1.17 — — — -0.30 — — — — — — — — — — — — — — — —
30 2006 1719 114.3 -0.94 -3.06 0.688 42.2% +24 — — 12.5% -2.75 — — — -0.69 — — — — — — — — — — — — — — — —
Career — 2043 157.5 +0.82 +1.09 0.996 49.6% +13 -69 -49 57.4% +0.52 103–69 (60%) 62–47 (57%) 110.6 -2.61 — 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.