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

Billie Jean King vs Ann Kiyomura Hayashi H2H: 4-2

Billie Jean King holds a 4–2 lead over Ann Kiyomura Hayashi in their WTA head-to-head. Across 6 main-draw meetings, they are tied 2–2 on carpet, while Billie Jean King leads 1–0 on clay. Most recently, Billie Jean King won the 1983 Birmingham round of 16 6-2 6-1.

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Billie Jean King
USA Age 82 Right-Handed 164 cm / 5'5"
H2H
4 – 2
6 main-draw meetings
Ann Kiyomura Hayashi
USA

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Billie Jean King 6-2 6-1 Ann Kiyomura Hayashi Match data Jun 7, 1983* R16 Birmingham WTA 250 Grass
Billie Jean King 6-4 6-2 Ann Kiyomura Hayashi Match data Mar 19, 1982* R16 Boston WTA 250 Carpet
Ann Kiyomura Hayashi 3-6 6-3 1-0 (ret.) Billie Jean King Match data Feb 4, 1982* R32 Detroit WTA 250 Carpet
Billie Jean King 4-6 7-5 6-4 Ann Kiyomura Hayashi Match data Sep 25, 1980* R32 Atlanta WTA 250 Carpet
Ann Kiyomura Hayashi 6-1 1-6 6-2 Billie Jean King Match data Aug 16, 1979* R32 Richmond WTA 250 Carpet
Billie Jean King 6-2 4-6 6-0 Ann Kiyomura Hayashi Match data Sep 19, 1974* R32 Orlando WTA 250 Clay

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
Billie Jean King #22 #2 — 2,437 684 160 81.0% 8 0 0 3 57 68
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.

Billie Jean King Ann Kiyomura Hayashi
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 40–5 88.9% — 1,865 1 1 1968 0–1 0.0% — 1,488 0 0
1969 58–14 80.6% — 2,056 1 6 1969 0–1 0.0% — 1,473 0 0
1970 47–11 81.0% — 2,180 1 11 1970 0–1 0.0% — 1,459 0 0
1971 114–15 88.4% — 2,302 2 28 1971 0–1 0.0% — 1,457 0 0
1972 89–15 85.6% — 2,378 5 39 1972 5–4 55.6% — 1,516 0 0
1973 56–12 82.4% — 2,349 6 46 1973 28–30 48.3% — 1,648 0 0
1974 54–8 87.1% — 2,326 7 52 1974 24–13 64.9% — 1,789 0 0
1975 23–3 88.5% #4 2,391 8 54 1975 7–12 36.8% — 1,749 0 0
1976 2–2 50.0% — 2,336 8 54 1976 9–16 36.0% — 1,724 0 0
1977 46–6 88.5% #2 2,398 8 60 1977 4–8 33.3% — 1,740 0 0
1978 28–12 70.0% #5 2,336 8 60 1978 10–7 58.8% — 1,809 0 1
1979 36–13 73.5% #5 2,185 8 62 1979 26–22 54.2% — 1,874 0 1
1980 39–15 72.2% #6 2,151 8 65 1980 13–20 39.4% — 1,718 0 1
1981 4–5 44.4% — 2,043 8 65 1981 23–19 54.8% — 1,852 0 2
1982 26–19 57.8% — 1,941 8 66 1982 18–20 47.4% — 1,828 0 2
1983 22–5 81.5% — 2,057 8 68 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.

Billie Jean King 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 4 1 5 80.0% 4 1 5 80.0% 26 2 28 92.9% 6 1 7 85.7% 1968 0 1 1 0.0% — — — — — — — — — — — —
1969 17 1 18 94.4% 9 5 14 64.3% 26 7 33 78.8% 6 1 7 85.7% 1969 0 1 1 0.0% — — — — — — — — — — — —
1970 13 2 15 86.7% 18 5 23 78.3% 8 1 9 88.9% 8 3 11 72.7% 1970 0 1 1 0.0% — — — — — — — — — — — —
1971 16 3 19 84.2% 29 5 34 85.3% 28 5 33 84.8% 41 2 43 95.3% 1971 — — — — — — — — 0 1 1 0.0% — — — —
1972 20 3 23 87.0% 32 6 38 84.2% 22 1 23 95.7% 15 5 20 75.0% 1972 — — — — 1 1 2 50.0% 4 2 6 66.7% 0 1 1 0.0%
1973 14 3 17 82.4% 8 3 11 72.7% 12 1 13 92.3% 22 5 27 81.5% 1973 4 5 9 44.4% 7 7 14 50.0% 11 11 22 50.0% 6 7 13 46.2%
1974 12 3 15 80.0% 4 1 5 80.0% 9 1 10 90.0% 29 3 32 90.6% 1974 5 2 7 71.4% 1 2 3 33.3% 14 7 21 66.7% 4 2 6 66.7%
1975 7 2 9 77.8% — — — — 11 1 12 91.7% 5 0 5 100.0% 1975 4 4 8 50.0% 0 1 1 0.0% 2 2 4 50.0% 0 4 4 0.0%
1976 2 2 4 50.0% — — — — — — — — — — — — 1976 0 1 1 0.0% 2 2 4 50.0% 2 4 6 33.3% 5 9 14 35.7%
1977 20 0 20 100.0% 8 3 11 72.7% 6 2 8 75.0% 12 1 13 92.3% 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% — — — — 8 2 10 80.0% 16 8 24 66.7% 1978 4 2 6 66.7% 4 0 4 100.0% 1 2 3 33.3% 1 3 4 25.0%
1979 17 3 20 85.0% — — — — 12 5 17 70.6% 7 5 12 58.3% 1979 10 7 17 58.8% — — — — 1 2 3 33.3% 15 13 28 53.6%
1980 5 1 6 83.3% 3 2 5 60.0% 3 1 4 75.0% 28 11 39 71.8% 1980 7 7 14 50.0% — — — — 3 5 8 37.5% 3 8 11 27.3%
1981 — — — — 0 1 1 0.0% 0 1 1 0.0% 4 3 7 57.1% 1981 2 4 6 33.3% 2 2 4 50.0% 9 6 15 60.0% 10 7 17 58.8%
1982 0 2 2 0.0% 4 4 8 50.0% 13 4 17 76.5% 9 9 18 50.0% 1982 6 5 11 54.5% 0 1 1 0.0% 7 6 13 53.8% 5 8 13 38.5%
1983 — — — — 1 1 2 50.0% 16 2 18 88.9% 5 2 7 71.4% 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 151 28 179 84.4% 120 37 157 76.4% 200 36 236 84.7% 213 59 272 78.3% 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.

Billie Jean King 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 1865 141.1 — — — — -83 -273 +141 87.2% +2.72 6–2 (75%) — — +1.76 1968 1488 90.8 — — — — — — — 0.0% -6.00 — — — -0.08
1969 2056 154.1 — — — — +176 -365 +42 75.5% +2.11 12–5 (71%) — — -3.94 1969 1473 94.6 — — — — — — — 0.0% -4.50 — — — +0.08
1970 2181 166.1 — — — — +139 -229 +41 75.0% +2.11 11–5 (69%) 0–1 — -9.32 1970 1460 98.9 — — — — — — — 0.0% -2.00 — 0–1 — +0.19
1971 2303 170.6 — — — — +240 -117 +9 84.6% +2.55 20–4 (83%) 16–4 (80%) 116.1 -6.69 1971 1457 104.8 — — — — — — — 33.3% -0.67 0–1 — — -0.19
1972 2378 173.1 — — — — +144 -67 +84 82.1% +2.37 13–3 (81%) 8–7 (53%) 102.1 -8.73 1972 1516 107.6 — — — — — — +85 47.6% +0.24 3–0 (100%) 0–1 — +1.18
1973 2349 168.6 — — — — +152 -82 +159 82.7% +2.42 8–5 (62%) 9–5 (64%) 100.8 -4.79 1973 1648 127.6 — — — — -75 -23 -24 50.0% -0.14 8–12 (40%) 4–4 (50%) 99.3 +4.25
1974 2327 171.4 — — — — +153 -73 +194 81.8% +2.54 10–2 (83%) 3–2 (60%) 104.2 -3.91 1974 1789 136.8 — — — — -106 -163 +40 59.5% +0.55 8–4 (67%) 2–1 (67%) 107.2 +0.93
1975 2391 169.1 — — — — +33 — +109 85.7% +2.70 2–2 (50%) 2–0 — -2.95 1975 1750 124.3 — — — — -7 — +32 38.6% -1.16 3–5 (38%) 2–1 (67%) 100.1 -0.93
1976 2337 113.7 — — — — +67 — — 50.0% -0.13 — 1–0 — -0.15 1976 1724 127.9 — — — — -53 -75 +49 41.1% -0.80 3–5 (38%) 1–1 — -0.96
1977 2398 164.8 — — — — +140 -140 +131 76.9% +1.69 16–1 (94%) 5–0 (100%) 111.3 -3.92 1977 1740 135.0 — — — — -68 — +42 37.0% -0.93 1–2 (33%) 0–1 — -1.45
1978 2337 167.5 — — — — +44 — +160 73.7% +1.86 2–6 (25%) 3–1 (75%) 92.9 -4.22 1978 1810 140.1 — — — — -59 -135 -22 56.8% +0.62 2–1 (67%) 1–2 (33%) 100.7 -0.22
1979 2185 156.7 — — — — +75 — +139 71.4% +1.51 8–8 (50%) 9–4 (69%) 94.9 -3.21 1979 1875 150.3 — — — — +16 — -129 53.6% +0.14 12–8 (60%) 5–4 (56%) 104.4 -0.58
1980 2152 165.5 — — — — +100 +122 +192 69.4% +1.09 9–6 (60%) 11–4 (73%) 100.7 -3.21 1980 1719 127.4 — — — — +24 — -38 46.7% -0.05 4–9 (31%) 2–4 (33%) 91.8 -0.63
1981 2044 121.4 — — — — +105 — — 44.4% -0.67 — — — -0.51 1981 1852 135.7 — — — — -26 -139 -64 53.7% +0.03 6–5 (55%) 3–2 (60%) 101.7 -0.47
1982 1941 150.4 — — — — -6 +196 +304 56.2% +0.42 12–7 (63%) 7–5 (58%) 98.0 -2.64 1982 1828 133.7 — — — — -41 — 0 43.0% -0.73 9–5 (64%) 6–1 (86%) 108.1 -4.10
1983 2057 155.9 — — — — -43 — +231 79.3% +1.93 2–2 (50%) 0–2 — -1.11 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 2437 170.4 — — — — +124 -123 +121 77.5% +2.03 131–58 (69%) 74–35 (68%) 111.2 -6.96 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.