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

Patricia Hy Boulais vs Naoko Sawamatsu H2H: 1-1

Patricia Hy Boulais and Naoko Sawamatsu are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, they are tied 1–1 on hard courts. Most recently, Patricia Hy Boulais won the 1993 US Open round of 128 4-6 6-1 7-5.

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Patricia Hy Boulais
CAN Age 61 163 cm / 5'4"
H2H
1 – 1
2 main-draw meetings
Naoko Sawamatsu
JPN Age 53 Right-Handed 167 cm / 5'6"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Patricia Hy Boulais 4-6 6-1 7-5 Naoko Sawamatsu #22 Match data Sep 1, 1993* R128 US Open Grand Slam Hard
Naoko Sawamatsu #23 7-5 6-0 Patricia Hy Boulais Match data Aug 19, 1993* R32 Canadian Open Tier I → modern equivalent WTA 1000 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
Patricia Hy Boulais — — — 1,906 142 165 46.3% 0 0 0 0 1 1
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 Patricia Hy Boulais Naoko Sawamatsu
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 1981 0–1 0.0% — 1,493 0 0 — — — — — — —
16 1982 0–1 0.0% — 1,477 0 0 1989 0–2 0.0% #262 1,477 0 0
17 1983 7–8 46.7% — 1,546 0 0 1990 14–6 70.0% #31 1,669 0 1
18 1984 0–2 0.0% — 1,522 0 0 1991 21–16 56.8% #33 1,723 0 1
19 — — — — — — — 1992 23–13 63.9% #24 1,856 0 1
20 1986 8–1 88.9% — 1,633 0 1 1993 24–13 64.9% #28 1,853 0 2
21 1987 9–15 37.5% — 1,594 0 1 1994 24–12 66.7% #26 1,870 0 3
22 1988 0–5 0.0% — 1,548 0 1 1995 22–13 62.9% #17 1,847 0 3
23 1989 1–4 20.0% — 1,514 0 1 1996 19–17 52.8% #38 1,811 0 3
24 1990 7–7 50.0% — 1,573 0 1 1997 24–19 55.8% #34 1,849 0 4
25 1991 18–17 51.4% — 1,704 0 1 1998 12–18 40.0% #55 1,721 0 4
26 1992 22–16 57.9% — 1,876 0 1 — — — — — — —
27 1993 21–15 58.3% — 1,851 0 1 — — — — — — —
28 1994 15–16 48.4% — 1,756 0 1 — — — — — — —
29 1995 11–14 44.0% — 1,691 0 1 — — — — — — —
30 1996 10–16 38.5% — 1,687 0 1 — — — — — — —
31 1997 12–19 38.7% — 1,663 0 1 — — — — — — —
32 1998 1–8 11.1% — 1,573 0 1 — — — — — — —

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 Patricia Hy Boulais 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 %
15 1981 — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
16 1982 — — — — 0 1 1 0.0% — — — — — — — — 1989 0 1 1 0.0% — — — — — — — — 0 1 1 0.0%
17 1983 5 3 8 62.5% 0 1 1 0.0% 2 2 4 50.0% 0 2 2 0.0% 1990 13 3 16 81.3% 1 1 2 50.0% 0 2 2 0.0% — — — —
18 1984 0 1 1 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 — — — — — — — — — — — — — — — — — 1992 13 7 20 65.0% 5 4 9 55.6% 3 1 4 75.0% 2 1 3 66.7%
20 1986 3 1 4 75.0% — — — — — — — — 5 0 5 100.0% 1993 12 8 20 60.0% 7 2 9 77.8% 4 2 6 66.7% 1 1 2 50.0%
21 1987 5 6 11 45.5% 0 2 2 0.0% 3 5 8 37.5% 1 2 3 33.3% 1994 15 7 22 68.2% 5 3 8 62.5% 4 2 6 66.7% — — — —
22 1988 0 3 3 0.0% — — — — 0 1 1 0.0% 0 1 1 0.0% 1995 14 8 22 63.6% 4 3 7 57.1% 2 1 3 66.7% 2 1 3 66.7%
23 1989 1 4 5 20.0% — — — — — — — — — — — — 1996 11 11 22 50.0% 4 3 7 57.1% 2 2 4 50.0% 2 1 3 66.7%
24 1990 6 5 11 54.5% 0 1 1 0.0% 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 1991 13 11 24 54.2% 1 3 4 25.0% 4 2 6 66.7% 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 1992 8 5 13 61.5% 10 6 16 62.5% 4 2 6 66.7% 0 3 3 0.0% — — — — — — — — — — — — — — — — —
27 1993 10 9 19 52.6% 4 3 7 57.1% 4 2 6 66.7% 3 1 4 75.0% — — — — — — — — — — — — — — — — —
28 1994 11 9 20 55.0% 1 3 4 25.0% 0 2 2 0.0% 3 2 5 60.0% — — — — — — — — — — — — — — — — —
29 1995 5 8 13 38.5% 5 4 9 55.6% 1 1 2 50.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
30 1996 1 7 8 12.5% 4 4 8 50.0% 3 2 5 60.0% 2 3 5 40.0% — — — — — — — — — — — — — — — — —
31 1997 4 10 14 28.6% 3 5 8 37.5% 4 2 6 66.7% 1 2 3 33.3% — — — — — — — — — — — — — — — — —
32 1998 0 3 3 0.0% 0 4 4 0.0% 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — —
Career — 72 85 157 45.9% 28 39 67 41.8% 27 23 50 54.0% 15 18 33 45.5% — 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 Patricia Hy Boulais 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
15 1981 1493 98.1 — — — — — — — 0.0% -4.00 — — — -0.07 — — — — — — — — — — — — — — — —
16 1982 1477 98.2 — — — — — — — 0.0% -2.00 — — — +0.18 1989 1477 96.0 — — — — — — — 20.0% -2.20 0–1 — — +0.30
17 1983 1546 117.5 — — — — +51 — +83 46.9% +0.12 1–1 1–1 — +0.93 1990 1669 124.7 — — — — +57 — — 62.5% +0.77 6–2 (75%) 5–1 (83%) 110.2 +1.75
18 1984 1523 101.3 — — — — — — — 33.3% -0.67 0–2 0–1 — +0.06 1991 1724 133.2 — — — — -8 -44 -170 55.4% +0.49 5–6 (45%) 1–1 — +2.14
19 — — — — — — — — — — — — — — — — 1992 1857 143.8 — — — — -17 -155 -248 60.7% +0.42 7–5 (58%) 4–2 (67%) 104.0 -0.25
20 1986 1633 110.5 — — — — +41 — — 69.6% +1.65 5–0 (100%) 1–2 (33%) — +2.61 1993 1853 139.0 — — — — -68 -33 -152 62.1% +0.86 7–6 (54%) 2–0 — +0.17
21 1987 1595 115.4 — — — — +48 — +10 37.5% -0.93 5–3 (63%) 1–6 (14%) 97.9 -0.17 1994 1871 146.2 — — — — -20 -58 -130 60.7% +1.00 9–3 (75%) 4–3 (57%) 106.5 -0.99
22 1988 1548 99.0 — — — — +29 — — 0.0% -3.00 — 0–2 — -0.27 1995 1848 150.6 — — — — +59 -74 -92 58.6% +0.48 10–7 (59%) 6–3 (67%) 103.1 +1.09
23 1989 1515 91.9 — — — — +9 — — 20.0% -2.30 — — — +0.31 1996 1812 145.0 — — — — +5 +4 -6 53.2% +0.02 5–6 (45%) 3–2 (60%) 97.8 -0.27
24 1990 1574 118.5 — — — — +7 — — 51.7% +0.41 2–1 (67%) 1–2 (33%) — +0.67 1997 1850 153.6 — — — — +44 -92 -62 54.0% +0.35 10–6 (63%) 5–5 (50%) 103.9 -1.59
25 1991 1704 141.1 — — — — -20 -265 +2 50.0% +0.11 6–4 (60%) 2–1 (67%) 104.8 -0.45 1998 1721 125.2 — — — — +37 -25 +64 40.5% -0.62 8–6 (57%) 1–1 — -0.88
26 1992 1877 155.6 — — — — -71 -231 -109 56.3% +0.35 7–3 (70%) 2–2 (50%) 107.4 -1.82 — — — — — — — — — — — — — — — —
27 1993 1852 141.8 — — — — -46 -170 +3 57.0% +0.38 6–3 (67%) 4–3 (57%) 105.0 -1.32 — — — — — — — — — — — — — — — —
28 1994 1756 132.7 — — — — +24 -99 — 52.4% +0.25 2–3 (40%) 3–1 (75%) 99.3 -0.60 — — — — — — — — — — — — — — — —
29 1995 1691 125.6 — — — — +15 -27 — 50.0% -0.18 3–9 (25%) 3–2 (60%) 93.7 +0.06 — — — — — — — — — — — — — — — —
30 1996 1687 132.9 — — — — -41 -41 +161 40.0% -0.73 4–4 (50%) 1–4 (20%) 98.0 -1.41 — — — — — — — — — — — — — — — —
31 1997 1664 129.6 — — — — -71 +1 +194 40.3% -0.58 8–7 (53%) 2–5 (29%) 99.0 -0.88 — — — — — — — — — — — — — — — —
32 1998 1574 92.9 — — — — -25 -9 — 26.1% -2.00 1–4 (20%) 1–1 — -0.04 — — — — — — — — — — — — — — — —
Career — 1906 138.1 — — — — -10 -116 +43 47.1% -0.18 50–44 (53%) 22–33 (40%) 98.3 -0.72 — 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.