H2H data updated: 2026-09-13 00:00 UTC

Kathleen Harter vs Ann Kiyomura Hayashi H2H: 0-2

Ann Kiyomura Hayashi holds a 2–0 lead over Kathleen Harter in their WTA head-to-head. Across 2 main-draw meetings, Ann Kiyomura Hayashi leads 1–0 on grass and 1–0 on hard courts. Most recently, Ann Kiyomura Hayashi won the 1974 Sacramento semifinal 6-0 6-4.

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Kathleen Harter
USA Age 79
H2H
0 – 2
2 main-draw meetings
Ann Kiyomura Hayashi
USA

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ann Kiyomura Hayashi 6-0 6-4 Kathleen Harter Match data Sep 14, 1974* SF Sacramento WTA 250 Hard
Ann Kiyomura Hayashi 4-6 7-5 6-1 Kathleen Harter Match data Aug 23, 1974* R16 South Orange 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
Kathleen Harter — — — 1,746 106 103 50.7% 0 0 0 0 2 2
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.

Kathleen Harter Ann Kiyomura Hayashi
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 40–22 64.5% — 1,690 0 0 1968 0–1 0.0% — 1,488 0 0
1969 1–1 50.0% — 1,685 0 0 1969 0–1 0.0% — 1,473 0 0
1970 23–20 53.5% — 1,678 0 0 1970 0–1 0.0% — 1,459 0 0
1971 9–2 81.8% — 1,732 0 2 1971 0–1 0.0% — 1,457 0 0
1974 4–5 44.4% — 1,729 0 2 1972 5–4 55.6% — 1,516 0 0
1975 6–8 42.9% — 1,664 0 2 1973 28–30 48.3% — 1,648 0 0
1976 9–16 36.0% — 1,615 0 2 1974 24–13 64.9% — 1,789 0 0
1977 12–20 37.5% — 1,644 0 2 1975 7–12 36.8% — 1,749 0 0
1978 2–9 18.2% — 1,591 0 2 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.

Kathleen Harter 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 12 5 17 70.6% 11 6 17 64.7% 16 9 25 64.0% 1 2 3 33.3% 1968 0 1 1 0.0% — — — — — — — — — — — —
1969 1 1 2 50.0% — — — — — — — — — — — — 1969 0 1 1 0.0% — — — — — — — — — — — —
1970 6 4 10 60.0% 7 7 14 50.0% 8 8 16 50.0% — — — — 1970 0 1 1 0.0% — — — — — — — — — — — —
1971 1 1 2 50.0% — — — — 8 1 9 88.9% — — — — 1971 — — — — — — — — 0 1 1 0.0% — — — —
1974 2 2 4 50.0% 1 1 2 50.0% 0 1 1 0.0% 1 1 2 50.0% 1972 — — — — 1 1 2 50.0% 4 2 6 66.7% 0 1 1 0.0%
1975 — — — — 1 1 2 50.0% 3 2 5 60.0% 0 1 1 0.0% 1973 4 5 9 44.4% 7 7 14 50.0% 11 11 22 50.0% 6 7 13 46.2%
1976 0 1 1 0.0% 3 9 12 25.0% 5 5 10 50.0% 1 1 2 50.0% 1974 5 2 7 71.4% 1 2 3 33.3% 14 7 21 66.7% 4 2 6 66.7%
1977 2 4 6 33.3% 2 6 8 25.0% 5 7 12 41.7% 3 3 6 50.0% 1975 4 4 8 50.0% 0 1 1 0.0% 2 2 4 50.0% 0 4 4 0.0%
1978 1 2 3 33.3% 0 1 1 0.0% 1 2 3 33.3% 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 25 20 45 55.6% 25 31 56 44.6% 46 35 81 56.8% 6 12 18 33.3% 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.

Kathleen Harter 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 1691 124.1 — — — — +5 -60 +10 63.4% +1.09 6–5 (55%) — — 0.00 1968 1488 90.8 — — — — — — — 0.0% -6.00 — — — -0.08
1969 1686 102.9 — — — — — — — 40.0% -0.20 1–0 — — +0.23 1969 1473 94.6 — — — — — — — 0.0% -4.50 — — — +0.08
1970 1678 122.9 — — — — +41 -69 +30 53.1% +0.10 5–7 (42%) 2–0 — +0.91 1970 1460 98.9 — — — — — — — 0.0% -2.00 — 0–1 — +0.19
1971 1732 126.5 — — — — — — +71 79.2% +2.54 1–1 — — +2.89 1971 1457 104.8 — — — — — — — 33.3% -0.67 0–1 — — -0.19
1974 1729 112.1 — — — — -17 — — 42.1% -1.16 1–2 (33%) 1–0 — -0.51 1972 1516 107.6 — — — — — — +85 47.6% +0.24 3–0 (100%) 0–1 — +1.18
1975 1665 112.0 — — — — — — +97 44.1% -0.82 3–3 (50%) 1–1 — +0.39 1973 1648 127.6 — — — — -75 -23 -24 50.0% -0.14 8–12 (40%) 4–4 (50%) 99.3 +4.25
1976 1615 122.9 — — — — +60 -57 +152 41.7% -0.45 3–7 (30%) 4–5 (44%) 95.7 +0.03 1974 1789 136.8 — — — — -106 -163 +40 59.5% +0.55 8–4 (67%) 2–1 (67%) 107.2 +0.93
1977 1644 127.2 — — — — +49 -96 +72 37.5% -0.88 5–3 (63%) 2–4 (33%) 101.5 +0.34 1975 1750 124.3 — — — — -7 — +32 38.6% -1.16 3–5 (38%) 2–1 (67%) 100.1 -0.93
1978 1592 110.8 — — — — +42 — +109 24.0% -1.40 1–2 (33%) 1–5 (17%) 95.6 -0.07 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 1746 127.1 — — — — +25 -67 +57 50.6% +0.08 26–30 (46%) 11–15 (42%) 95.9 +2.03 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.