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

Ann Kiyomura Hayashi vs Naoko Sato H2H: 2-0

Ann Kiyomura Hayashi holds a 2–0 lead over Naoko Sato in their WTA head-to-head. Across 2 main-draw meetings, Ann Kiyomura Hayashi leads 1–0 on clay and 1–0 on hard courts. Most recently, Ann Kiyomura Hayashi won the 1978 Tokyo Japan Open quarterfinal 6-4 6-0.

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Ann Kiyomura Hayashi
USA
H2H
2 – 0
2 main-draw meetings
Naoko Sato
JPN Age 71

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ann Kiyomura Hayashi 6-4 6-0 Naoko Sato Match data Oct 28, 1978* QF Tokyo Japan Open WTA 250 Clay
Ann Kiyomura Hayashi 6-2 6-4 Naoko Sato Match data Apr 10, 1974* R64 Phoenix Aztec 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 Kiyomura Hayashi — — — 1,925 182 200 47.6% 0 0 0 0 2 2
Naoko Sato — — — 1,628 56 91 38.1% 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.

Ann Kiyomura Hayashi Naoko Sato
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 0–1 0.0% — 1,488 0 0 1972 2–3 40.0% — 1,504 0 0
1969 0–1 0.0% — 1,473 0 0 1973 4–6 40.0% — 1,495 0 0
1970 0–1 0.0% — 1,459 0 0 1974 7–16 30.4% — 1,452 0 0
1971 0–1 0.0% — 1,457 0 0 1975 5–7 41.7% — 1,492 0 0
1972 5–4 55.6% — 1,516 0 0 1976 4–8 33.3% — 1,530 0 0
1973 28–30 48.3% — 1,648 0 0 1977 8–12 40.0% — 1,566 0 0
1974 24–13 64.9% — 1,789 0 0 1978 6–7 46.2% — 1,594 0 0
1975 7–12 36.8% — 1,749 0 0 1979 8–9 47.1% — 1,594 0 0
1976 9–16 36.0% — 1,724 0 0 1980 11–10 52.4% — 1,592 0 0
1977 4–8 33.3% — 1,740 0 0 1981 1–6 14.3% — 1,531 0 0
1978 10–7 58.8% — 1,809 0 1 1982 0–1 0.0% — 1,520 0 0
1979 26–22 54.2% — 1,874 0 1 1983 0–4 0.0% — 1,467 0 0
1980 13–20 39.4% — 1,718 0 1 1984 0–1 0.0% — 1,458 0 0
1981 23–19 54.8% — 1,852 0 2 1987 0–1 0.0% — 1,451 0 0
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.

Ann Kiyomura Hayashi Naoko Sato
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 0 1 1 0.0% — — — — — — — — — — — — 1972 0 1 1 0.0% 0 1 1 0.0% — — — — 2 1 3 66.7%
1969 0 1 1 0.0% — — — — — — — — — — — — 1973 — — — — 2 4 6 33.3% 2 2 4 50.0% — — — —
1970 0 1 1 0.0% — — — — — — — — — — — — 1974 2 2 4 50.0% 1 6 7 14.3% 2 4 6 33.3% 0 1 1 0.0%
1971 — — — — — — — — 0 1 1 0.0% — — — — 1975 — — — — 3 2 5 60.0% 0 2 2 0.0% 0 1 1 0.0%
1972 — — — — 1 1 2 50.0% 4 2 6 66.7% 0 1 1 0.0% 1976 — — — — 0 4 4 0.0% 4 4 8 50.0% — — — —
1973 4 5 9 44.4% 7 7 14 50.0% 11 11 22 50.0% 6 7 13 46.2% 1977 0 1 1 0.0% 1 2 3 33.3% 7 9 16 43.8% — — — —
1974 5 2 7 71.4% 1 2 3 33.3% 14 7 21 66.7% 4 2 6 66.7% 1978 — — — — 1 2 3 33.3% 5 4 9 55.6% 0 1 1 0.0%
1975 4 4 8 50.0% 0 1 1 0.0% 2 2 4 50.0% 0 4 4 0.0% 1979 0 2 2 0.0% — — — — 4 5 9 44.4% — — — —
1976 0 1 1 0.0% 2 2 4 50.0% 2 4 6 33.3% 5 9 14 35.7% 1980 1 1 2 50.0% 4 4 8 50.0% 3 4 7 42.9% — — — —
1977 0 1 1 0.0% 0 1 1 0.0% 2 1 3 66.7% 2 5 7 28.6% 1981 0 3 3 0.0% 1 2 3 33.3% 0 1 1 0.0% — — — —
1978 4 2 6 66.7% 4 0 4 100.0% 1 2 3 33.3% 1 3 4 25.0% 1982 — — — — — — — — 0 1 1 0.0% — — — —
1979 10 7 17 58.8% — — — — 1 2 3 33.3% 15 13 28 53.6% 1983 0 1 1 0.0% — — — — 0 2 2 0.0% — — — —
1980 7 7 14 50.0% — — — — 3 5 8 37.5% 3 8 11 27.3% 1984 — — — — — — — — 0 1 1 0.0% — — — —
1981 2 4 6 33.3% 2 2 4 50.0% 9 6 15 60.0% 10 7 17 58.8% 1987 — — — — — — — — 0 1 1 0.0% — — — —
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 47 48 95 49.5% 17 17 34 50.0% 62 57 119 52.1% 55 77 132 41.7% Career 3 11 14 21.4% 13 27 40 32.5% 27 40 67 40.3% 2 4 6 33.3%

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.

Ann Kiyomura Hayashi Naoko Sato
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 1488 90.8 — — — — — — — 0.0% -6.00 — — — -0.08 1972 1505 88.1 — — — — +47 — — 36.4% -2.00 1–0 1–0 — +0.31
1969 1473 94.6 — — — — — — — 0.0% -4.50 — — — +0.08 1973 1496 92.8 — — — — — -8 +52 40.9% -1.41 1–1 — — +1.13
1970 1460 98.9 — — — — — — — 0.0% -2.00 — 0–1 — +0.19 1974 1453 91.0 — — — — +95 -59 +77 34.0% -1.11 3–4 (43%) 1–3 (25%) 97.2 +1.33
1971 1457 104.8 — — — — — — — 33.3% -0.67 0–1 — — -0.19 1975 1493 95.6 — — — — — -27 — 40.7% -1.33 2–1 (67%) 1–1 — +0.98
1972 1516 107.6 — — — — — — +85 47.6% +0.24 3–0 (100%) 0–1 — +1.18 1976 1530 116.3 — — — — — -82 +48 28.0% -1.64 2–1 (67%) — — -0.39
1973 1648 127.6 — — — — -75 -23 -24 50.0% -0.14 8–12 (40%) 4–4 (50%) 99.3 +4.25 1977 1567 121.7 — — — — — -112 +16 43.8% -0.69 3–5 (38%) 3–1 (75%) 101.1 +1.63
1974 1789 136.8 — — — — -106 -163 +40 59.5% +0.55 8–4 (67%) 2–1 (67%) 107.2 +0.93 1978 1595 111.7 — — — — — -138 +17 48.3% -0.17 1–2 (33%) 1–1 — +0.54
1975 1750 124.3 — — — — -7 — +32 38.6% -1.16 3–5 (38%) 2–1 (67%) 100.1 -0.93 1979 1594 114.4 — — — — — — +13 47.4% +0.05 2–2 (50%) 1–1 — +1.58
1976 1724 127.9 — — — — -53 -75 +49 41.1% -0.80 3–5 (38%) 1–1 — -0.96 1980 1593 108.7 — — — — — -117 -11 53.2% +0.30 2–3 (40%) 1–1 — +1.74
1977 1740 135.0 — — — — -68 — +42 37.0% -0.93 1–2 (33%) 0–1 — -1.45 1981 1531 97.3 — — — — -43 -32 — 23.5% -1.88 1–2 (33%) 1–1 — +0.51
1978 1810 140.1 — — — — -59 -135 -22 56.8% +0.62 2–1 (67%) 1–2 (33%) 100.7 -0.22 1982 1520 99.4 — — — — — — — 0.0% -2.00 — — — +0.01
1979 1875 150.3 — — — — +16 — -129 53.6% +0.14 12–8 (60%) 5–4 (56%) 104.4 -0.58 1983 1467 93.8 — — — — — — — 11.1% -1.89 0–1 — — +0.48
1980 1719 127.4 — — — — +24 — -38 46.7% -0.05 4–9 (31%) 2–4 (33%) 91.8 -0.63 1984 1459 102.4 — — — — — — — 0.0% -1.50 — 0–1 — -0.02
1981 1852 135.7 — — — — -26 -139 -64 53.7% +0.03 6–5 (55%) 3–2 (60%) 101.7 -0.47 1987 1451 91.3 — — — — — — — 0.0% -5.50 — — — -0.06
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 1926 140.1 — — — — -21 -76 +3 48.0% -0.26 62–60 (51%) 33–26 (56%) 104.8 -1.34 Career 1629 106.1 — — — — +45 -69 +25 39.8% -0.84 18–22 (45%) 10–10 (50%) 101.4 +6.65

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.