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

Kazuko Sawamatsu vs Ann Kiyomura Hayashi H2H: 2-0

Kazuko Sawamatsu holds a 2–0 lead over Ann Kiyomura Hayashi in their WTA head-to-head. Across 2 main-draw meetings, Kazuko Sawamatsu leads 1–0 on clay and 1–0 on grass. Most recently, Kazuko Sawamatsu won the 1975 Tokyo Japan Open final 6-2 3-6 6-1.

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Kazuko Sawamatsu
JPN Age 75 Right-Handed
H2H
2 – 0
2 main-draw meetings
Ann Kiyomura Hayashi
USA

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kazuko Sawamatsu 6-2 3-6 6-1 Ann Kiyomura Hayashi Match data Nov 9, 1975* F Tokyo Japan Open WTA 250 Clay
Kazuko Sawamatsu 1-6 6-3 6-2 Ann Kiyomura Hayashi Match data Dec 22, 1973* QF Hobart International WTA 250 Grass

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
Kazuko Sawamatsu — — — 1,954 179 100 64.2% 0 0 0 1 8 9
Ann Kiyomura Hayashi — — — 1,925 182 200 47.6% 0 0 0 0 2 2

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.

Kazuko Sawamatsu Ann Kiyomura Hayashi
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 9–7 56.2% — 1,556 0 0 1968 0–1 0.0% — 1,488 0 0
1969 16–8 66.7% — 1,674 0 1 1969 0–1 0.0% — 1,473 0 0
1970 10–8 55.6% — 1,727 0 2 1970 0–1 0.0% — 1,459 0 0
1971 18–10 64.3% — 1,826 0 3 1971 0–1 0.0% — 1,457 0 0
1972 28–16 63.6% — 1,848 0 6 1972 5–4 55.6% — 1,516 0 0
1973 38–21 64.4% — 1,825 0 6 1973 28–30 48.3% — 1,648 0 0
1974 37–20 64.9% — 1,900 0 8 1974 24–13 64.9% — 1,789 0 0
1975 23–10 69.7% — 1,954 0 9 1975 7–12 36.8% — 1,749 0 0
— — — — — — — 1976 9–16 36.0% — 1,724 0 0
— — — — — — — 1977 4–8 33.3% — 1,740 0 0
— — — — — — — 1978 10–7 58.8% — 1,809 0 1
— — — — — — — 1979 26–22 54.2% — 1,874 0 1
— — — — — — — 1980 13–20 39.4% — 1,718 0 1
— — — — — — — 1981 23–19 54.8% — 1,852 0 2
— — — — — — — 1982 18–20 47.4% — 1,828 0 2
— — — — — — — 1983 13–20 39.4% — 1,716 0 2
— — — — — — — 1984 2–5 28.6% — 1,686 0 2

Surface Results by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Kazuko Sawamatsu Ann Kiyomura Hayashi
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 %
1968 — — — — 9 5 14 64.3% 0 2 2 0.0% — — — — 1968 0 1 1 0.0% — — — — — — — — — — — —
1969 — — — — 13 6 19 68.4% 3 2 5 60.0% — — — — 1969 0 1 1 0.0% — — — — — — — — — — — —
1970 — — — — 3 4 7 42.9% 4 4 8 50.0% — — — — 1970 0 1 1 0.0% — — — — — — — — — — — —
1971 — — — — 4 4 8 50.0% 14 6 20 70.0% — — — — 1971 — — — — — — — — 0 1 1 0.0% — — — —
1972 1 1 2 50.0% 11 7 18 61.1% 13 8 21 61.9% 3 0 3 100.0% 1972 — — — — 1 1 2 50.0% 4 2 6 66.7% 0 1 1 0.0%
1973 3 1 4 75.0% 18 8 26 69.2% 16 9 25 64.0% 1 3 4 25.0% 1973 4 5 9 44.4% 7 7 14 50.0% 11 11 22 50.0% 6 7 13 46.2%
1974 6 1 7 85.7% 11 9 20 55.0% 17 9 26 65.4% 3 1 4 75.0% 1974 5 2 7 71.4% 1 2 3 33.3% 14 7 21 66.7% 4 2 6 66.7%
1975 — — — — 19 7 26 73.1% 4 3 7 57.1% — — — — 1975 4 4 8 50.0% 0 1 1 0.0% 2 2 4 50.0% 0 4 4 0.0%
— — — — — — — — — — — — — — — — — 1976 0 1 1 0.0% 2 2 4 50.0% 2 4 6 33.3% 5 9 14 35.7%
— — — — — — — — — — — — — — — — — 1977 0 1 1 0.0% 0 1 1 0.0% 2 1 3 66.7% 2 5 7 28.6%
— — — — — — — — — — — — — — — — — 1978 4 2 6 66.7% 4 0 4 100.0% 1 2 3 33.3% 1 3 4 25.0%
— — — — — — — — — — — — — — — — — 1979 10 7 17 58.8% — — — — 1 2 3 33.3% 15 13 28 53.6%
— — — — — — — — — — — — — — — — — 1980 7 7 14 50.0% — — — — 3 5 8 37.5% 3 8 11 27.3%
— — — — — — — — — — — — — — — — — 1981 2 4 6 33.3% 2 2 4 50.0% 9 6 15 60.0% 10 7 17 58.8%
— — — — — — — — — — — — — — — — — 1982 6 5 11 54.5% 0 1 1 0.0% 7 6 13 53.8% 5 8 13 38.5%
— — — — — — — — — — — — — — — — — 1983 5 5 10 50.0% — — — — 4 6 10 40.0% 4 9 13 30.8%
— — — — — — — — — — — — — — — — — 1984 0 2 2 0.0% — — — — 2 2 4 50.0% 0 1 1 0.0%
Career 10 3 13 76.9% 88 50 138 63.8% 71 43 114 62.3% 7 4 11 63.6% Career 47 48 95 49.5% 17 17 34 50.0% 62 57 119 52.1% 55 77 132 41.7%

Advanced Statistics Comparison by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Kazuko Sawamatsu Ann Kiyomura Hayashi
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
1968 1556 119.1 — — — — — +59 — 56.3% +0.87 2–0 — — +0.07 1968 1488 90.8 — — — — — — — 0.0% -6.00 — — — -0.08
1969 1674 127.4 — — — — — +49 -122 64.7% +1.25 2–1 (67%) — — +0.72 1969 1473 94.6 — — — — — — — 0.0% -4.50 — — — +0.08
1970 1727 133.7 — — — — — -29 -107 59.1% +0.75 2–6 (25%) — — -1.68 1970 1460 98.9 — — — — — — — 0.0% -2.00 — 0–1 — +0.19
1971 1827 139.8 — — — — — -118 0 59.3% +0.81 6–1 (86%) 1–0 — -2.27 1971 1457 104.8 — — — — — — — 33.3% -0.67 0–1 — — -0.19
1972 1848 149.8 — — — — -200 -59 +3 61.1% +1.22 5–4 (56%) — — -3.87 1972 1516 107.6 — — — — — — +85 47.6% +0.24 3–0 (100%) 0–1 — +1.18
1973 1826 145.5 — — — — -160 +61 +45 60.9% +0.99 10–5 (67%) 3–4 (43%) 104.0 +1.60 1973 1648 127.6 — — — — -75 -23 -24 50.0% -0.14 8–12 (40%) 4–4 (50%) 99.3 +4.25
1974 1900 150.9 — — — — -79 -49 +35 61.7% +0.94 8–2 (80%) 4–3 (57%) 106.4 -3.51 1974 1789 136.8 — — — — -106 -163 +40 59.5% +0.55 8–4 (67%) 2–1 (67%) 107.2 +0.93
1975 1955 150.1 — — — — — +26 -50 64.9% +1.09 6–2 (75%) 3–1 (75%) 106.5 -0.94 1975 1750 124.3 — — — — -7 — +32 38.6% -1.16 3–5 (38%) 2–1 (67%) 100.1 -0.93
— — — — — — — — — — — — — — — — 1976 1724 127.9 — — — — -53 -75 +49 41.1% -0.80 3–5 (38%) 1–1 — -0.96
— — — — — — — — — — — — — — — — 1977 1740 135.0 — — — — -68 — +42 37.0% -0.93 1–2 (33%) 0–1 — -1.45
— — — — — — — — — — — — — — — — 1978 1810 140.1 — — — — -59 -135 -22 56.8% +0.62 2–1 (67%) 1–2 (33%) 100.7 -0.22
— — — — — — — — — — — — — — — — 1979 1875 150.3 — — — — +16 — -129 53.6% +0.14 12–8 (60%) 5–4 (56%) 104.4 -0.58
— — — — — — — — — — — — — — — — 1980 1719 127.4 — — — — +24 — -38 46.7% -0.05 4–9 (31%) 2–4 (33%) 91.8 -0.63
— — — — — — — — — — — — — — — — 1981 1852 135.7 — — — — -26 -139 -64 53.7% +0.03 6–5 (55%) 3–2 (60%) 101.7 -0.47
— — — — — — — — — — — — — — — — 1982 1828 133.7 — — — — -41 — 0 43.0% -0.73 9–5 (64%) 6–1 (86%) 108.1 -4.10
— — — — — — — — — — — — — — — — 1983 1717 130.9 — — — — +25 — +29 42.0% -0.68 2–3 (40%) 6–3 (67%) 100.2 -1.71
— — — — — — — — — — — — — — — — 1984 1687 109.3 — — — — -20 — +88 26.7% -2.27 1–0 1–0 — -0.36
Career 1955 150.4 — — — — -131 +6 +3 61.3% +1.01 41–21 (66%) 11–8 (58%) 110.7 -3.61 Career 1926 140.1 — — — — -21 -76 +3 48.0% -0.26 62–60 (51%) 33–26 (56%) 104.8 -1.34

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.