H2H data updated: 2026-10-30 00:00 UTC

Ann Kiyomura Hayashi vs Kathy Horvath H2H: 1-0

Ann Kiyomura Hayashi holds a 1–0 lead over Kathy Horvath in their WTA head-to-head. Across 1 main-draw meeting, Ann Kiyomura Hayashi leads 1–0 on carpet. Most recently, Ann Kiyomura Hayashi won the 1981 Tokyo Sillook semifinal 6-4 6-1.

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Ann Kiyomura Hayashi
USA
H2H
1 – 0
1 main-draw meetings
Kathy Horvath
USA Age 61 Right-Handed 170 cm / 5'7"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ann Kiyomura Hayashi 6-4 6-1 Kathy Horvath Match data Sep 19, 1981* SF Tokyo Sillook WTA 250 Carpet

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 — — — 1,927 182 200 47.6% 0 0 0 0 2 2
Kathy Horvath — #10 24 1,976 187 155 54.7% 0 0 0 0 7 7

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 Kathy Horvath
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 0–1 0.0% — 1,488 0 0 1979 0–2 0.0% — 1,496 0 0
1969 0–1 0.0% — 1,473 0 0 1980 6–7 46.2% — 1,565 0 0
1970 0–1 0.0% — 1,459 0 0 1981 34–23 59.6% — 1,860 0 2
1971 0–1 0.0% — 1,457 0 0 1982 15–17 46.9% — 1,776 0 2
1972 5–4 55.6% — 1,516 0 0 1983 39–18 68.4% — 1,931 0 4
1973 28–30 48.3% — 1,648 0 0 1984 25–19 56.8% #29 1,800 0 4
1974 24–13 64.9% — 1,789 0 0 1985 23–16 59.0% — 1,776 0 6
1975 7–12 36.8% — 1,749 0 0 1986 16–15 51.6% #47 1,740 0 6
1976 9–16 36.0% — 1,725 0 0 1987 18–15 54.5% #37 1,714 0 7
1977 4–8 33.3% — 1,741 0 0 1988 9–15 37.5% #85 1,603 0 7
1978 10–7 58.8% — 1,812 0 1 1989 2–8 20.0% #224 1,529 0 7
1979 26–22 54.2% — 1,876 0 1 — — — — — — —
1980 13–20 39.4% — 1,720 0 1 — — — — — — —
1981 23–19 54.8% — 1,853 0 2 — — — — — — —
1982 18–20 47.4% — 1,829 0 2 — — — — — — —
1983 13–20 39.4% — 1,717 0 2 — — — — — — —
1984 2–5 28.6% — 1,687 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 Kathy Horvath
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% — — — — — — — — — — — — 1979 0 2 2 0.0% — — — — — — — — — — — —
1969 0 1 1 0.0% — — — — — — — — — — — — 1980 5 4 9 55.6% 1 3 4 25.0% — — — — — — — —
1970 0 1 1 0.0% — — — — — — — — — — — — 1981 7 4 11 63.6% 15 8 23 65.2% — — — — 12 11 23 52.2%
1971 — — — — — — — — 0 1 1 0.0% — — — — 1982 0 2 2 0.0% 13 6 19 68.4% 0 2 2 0.0% 2 7 9 22.2%
1972 — — — — 1 1 2 50.0% 4 2 6 66.7% 0 1 1 0.0% 1983 9 4 13 69.2% 21 11 32 65.6% — — — — 9 3 12 75.0%
1973 4 5 9 44.4% 7 7 14 50.0% 11 11 22 50.0% 6 7 13 46.2% 1984 0 5 5 0.0% 21 9 30 70.0% 1 1 2 50.0% 3 4 7 42.9%
1974 5 2 7 71.4% 1 2 3 33.3% 14 7 21 66.7% 4 2 6 66.7% 1985 6 5 11 54.5% 17 7 24 70.8% — — — — 0 4 4 0.0%
1975 4 4 8 50.0% 0 1 1 0.0% 2 2 4 50.0% 0 4 4 0.0% 1986 8 7 15 53.3% 4 4 8 50.0% 2 1 3 66.7% 2 3 5 40.0%
1976 0 1 1 0.0% 2 2 4 50.0% 2 4 6 33.3% 5 9 14 35.7% 1987 6 6 12 50.0% 12 8 20 60.0% 0 1 1 0.0% — — — —
1977 0 1 1 0.0% 0 1 1 0.0% 2 1 3 66.7% 2 5 7 28.6% 1988 2 5 7 28.6% 7 9 16 43.8% 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% 1989 2 6 8 25.0% 0 2 2 0.0% — — — — — — — —
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 47 48 95 49.5% 17 17 34 50.0% 62 57 119 52.1% 55 77 132 41.7% Career 45 50 95 47.4% 111 67 178 62.4% 3 6 9 33.3% 28 32 60 46.7%

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.

Ann Kiyomura Hayashi Kathy Horvath
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 1979 1497 113.4 — — — — — — — 20.0% -2.20 0–1 0–1 — -0.25
1969 1473 94.6 — — — — — — — 0.0% -4.50 — — — +0.08 1980 1565 110.9 — — — — +47 -65 — 43.3% -0.37 3–1 (75%) 1–3 (25%) 101.9 -0.11
1970 1460 98.9 — — — — — — — 0.0% -2.00 — 0–1 — +0.19 1981 1860 146.7 — — — — -39 -79 — 55.9% +0.43 12–7 (63%) 7–5 (58%) 109.3 +0.11
1971 1457 104.8 — — — — — — — 33.3% -0.67 0–1 — — -0.19 1982 1776 143.4 — — — — -40 +61 — 52.9% +0.46 1–7 (13%) 2–3 (40%) 92.6 -3.75
1972 1516 107.6 — — — — — — +85 47.6% +0.24 3–0 (100%) 0–1 — +1.17 1983 1931 149.2 — — — — -63 +56 — 63.7% +0.74 9–3 (75%) 11–6 (65%) 109.3 +1.20
1973 1648 127.6 — — — — -75 -23 -24 50.0% -0.14 8–12 (40%) 4–4 (50%) 99.3 +4.10 1984 1800 146.8 — — — — -83 +207 — 56.1% +0.43 5–5 (50%) 3–7 (30%) 94.7 +0.22
1974 1789 136.8 — — — — -106 -163 +40 59.5% +0.55 8–4 (67%) 2–1 (67%) 107.2 +0.84 1985 1776 138.1 — — — — -111 +221 — 55.8% +0.24 6–2 (75%) 5–2 (71%) 104.1 -0.66
1975 1750 124.3 — — — — -7 — +32 38.6% -1.16 3–5 (38%) 2–1 (67%) 100.1 -0.93 1986 1740 130.5 — — — — -74 +185 -139 48.6% -0.18 7–3 (70%) 3–3 (50%) 104.3 -1.03
1976 1725 128.2 — — — — -54 -76 +49 41.1% -0.80 3–5 (38%) 1–1 — -0.98 1987 1714 126.0 — — — — -42 +149 — 54.1% +0.18 6–4 (60%) 3–2 (60%) 101.2 +3.31
1977 1742 135.5 — — — — -69 — +42 37.0% -0.93 1–2 (33%) 0–1 — -1.46 1988 1603 116.3 — — — — +8 +113 — 41.5% -0.64 1–4 (20%) 2–2 (50%) 94.3 +0.35
1978 1812 140.6 — — — — -59 -137 -23 56.8% +0.62 2–1 (67%) 1–2 (33%) 100.7 -0.52 1989 1530 101.0 — — — — +18 — — 33.3% -1.38 0–3 (0%) 2–2 (50%) 95.4 +0.25
1979 1877 150.6 — — — — +16 — -130 53.6% +0.14 12–8 (60%) 5–4 (56%) 104.3 -0.27 — — — — — — — — — — — — — — — —
1980 1721 127.8 — — — — +27 — -41 46.7% -0.05 4–9 (31%) 2–4 (33%) 91.8 -0.82 — — — — — — — — — — — — — — — —
1981 1853 136.0 — — — — -25 -140 -63 53.7% +0.03 6–5 (55%) 3–2 (60%) 101.7 -0.52 — — — — — — — — — — — — — — — —
1982 1829 133.9 — — — — -40 — -1 43.0% -0.73 9–5 (64%) 6–1 (86%) 108.1 -4.07 — — — — — — — — — — — — — — — —
1983 1718 131.1 — — — — +25 — +28 42.0% -0.68 2–3 (40%) 6–3 (67%) 100.1 -1.68 — — — — — — — — — — — — — — — —
1984 1688 109.4 — — — — -21 — +87 26.7% -2.27 1–0 1–0 — -0.36 — — — — — — — — — — — — — — — —
Career 1927 140.4 — — — — -21 -77 +2 48.0% -0.26 62–60 (51%) 33–26 (56%) 104.8 -1.46 Career 1976 144.1 — — — — -48 +106 -139 53.7% +0.21 50–40 (56%) 39–36 (52%) 103.7 -0.11

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.