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

Olga Morozova vs Ann Kiyomura Hayashi H2H: 3-0

Olga Morozova holds a 3–0 lead over Ann Kiyomura Hayashi in their WTA head-to-head. Across 3 main-draw meetings, Olga Morozova leads 2–0 on grass and 1–0 on clay. Most recently, Olga Morozova won the 1976 Wimbledon round of 128 6-3 6-1.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Olga Morozova
URS Age 77 Right-Handed 170 cm / 5'7"
H2H
3 – 0
3 main-draw meetings
Ann Kiyomura Hayashi
USA

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Olga Morozova 6-3 6-1 Ann Kiyomura Hayashi Match data Jun 23, 1976* R128 Wimbledon Grand Slam Grass
Olga Morozova 6-2 6-0 Ann Kiyomura Hayashi Match data Jun 21, 1974* R16 Eastbourne Open WTA 250 Grass
Olga Morozova 4-6 6-1 6-0 Ann Kiyomura Hayashi Match data Sep 14, 1973* R16 Charlotte 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
Olga Morozova — #7 — 2,221 325 107 75.2% 0 0 0 8 29 37
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.

Olga Morozova Ann Kiyomura Hayashi
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 14–10 58.3% — 1,571 0 1 1968 0–1 0.0% — 1,488 0 0
1969 30–10 75.0% — 1,766 0 5 1969 0–1 0.0% — 1,473 0 0
1970 41–9 82.0% — 1,912 0 13 1970 0–1 0.0% — 1,459 0 0
1971 22–8 73.3% — 1,873 0 17 1971 0–1 0.0% — 1,457 0 0
1972 53–13 80.3% — 1,975 0 24 1972 5–4 55.6% — 1,516 0 0
1973 35–11 76.1% — 2,014 0 28 1973 28–30 48.3% — 1,648 0 0
1974 55–13 80.9% — 2,209 0 32 1974 24–13 64.9% — 1,789 0 0
1975 41–18 69.5% #7 2,068 0 34 1975 7–12 36.8% — 1,749 0 0
1976 25–10 71.4% #9 2,046 0 35 1976 9–16 36.0% — 1,724 0 0
1977 6–5 54.5% — 2,030 0 35 1977 4–8 33.3% — 1,740 0 0
1979 2–0 100.0% — 2,041 0 36 1978 10–7 58.8% — 1,809 0 1
1980 1–0 100.0% — 2,043 0 37 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.

Olga Morozova 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 — — — — 8 4 12 66.7% 2 3 5 40.0% 4 3 7 57.1% 1968 0 1 1 0.0% — — — — — — — — — — — —
1969 — — — — 12 7 19 63.2% 6 3 9 66.7% 9 0 9 100.0% 1969 0 1 1 0.0% — — — — — — — — — — — —
1970 — — — — 11 2 13 84.6% 15 6 21 71.4% 9 1 10 90.0% 1970 0 1 1 0.0% — — — — — — — — — — — —
1971 — — — — 7 2 9 77.8% 10 6 16 62.5% 4 0 4 100.0% 1971 — — — — — — — — 0 1 1 0.0% — — — —
1972 — — — — 13 4 17 76.5% 30 7 37 81.1% 5 2 7 71.4% 1972 — — — — 1 1 2 50.0% 4 2 6 66.7% 0 1 1 0.0%
1973 — — — — 11 3 14 78.6% 12 3 15 80.0% 12 5 17 70.6% 1973 4 5 9 44.4% 7 7 14 50.0% 11 11 22 50.0% 6 7 13 46.2%
1974 — — — — 15 6 21 71.4% 24 5 29 82.8% 16 2 18 88.9% 1974 5 2 7 71.4% 1 2 3 33.3% 14 7 21 66.7% 4 2 6 66.7%
1975 6 3 9 66.7% 10 4 14 71.4% 9 3 12 75.0% 13 7 20 65.0% 1975 4 4 8 50.0% 0 1 1 0.0% 2 2 4 50.0% 0 4 4 0.0%
1976 2 1 3 66.7% 1 1 2 50.0% 13 2 15 86.7% 9 6 15 60.0% 1976 0 1 1 0.0% 2 2 4 50.0% 2 4 6 33.3% 5 9 14 35.7%
1977 — — — — — — — — — — — — 6 5 11 54.5% 1977 0 1 1 0.0% 0 1 1 0.0% 2 1 3 66.7% 2 5 7 28.6%
1979 — — — — 2 0 2 100.0% — — — — — — — — 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 8 4 12 66.7% 90 33 123 73.2% 121 38 159 76.1% 87 31 118 73.7% 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.

Olga Morozova 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 1571 109.1 — — — — -7 +18 -53 54.7% +0.41 4–3 (57%) — — +1.00 1968 1488 90.8 — — — — — — — 0.0% -6.00 — — — -0.08
1969 1766 133.7 — — — — +72 -72 -119 70.9% +1.50 5–3 (63%) — — +1.35 1969 1473 94.6 — — — — — — — 0.0% -4.50 — — — +0.08
1970 1913 140.4 — — — — -10 -85 -65 75.9% +1.89 8–4 (67%) — — +1.77 1970 1460 98.9 — — — — — — — 0.0% -2.00 — 0–1 — +0.19
1971 1874 134.0 — — — — +62 -36 -12 67.6% +1.50 6–2 (75%) 1–1 — +0.73 1971 1457 104.8 — — — — — — — 33.3% -0.67 0–1 — — -0.19
1972 1975 148.0 — — — — -47 -51 +58 75.2% +2.13 10–5 (67%) 0–4 (0%) 99.6 +4.28 1972 1516 107.6 — — — — — — +85 47.6% +0.24 3–0 (100%) 0–1 — +1.18
1973 2014 149.3 — — — — -72 -48 +78 71.7% +1.76 8–6 (57%) 0–1 — +1.92 1973 1648 127.6 — — — — -75 -23 -24 50.0% -0.14 8–12 (40%) 4–4 (50%) 99.3 +4.25
1974 2210 166.2 — — — — -35 -160 +47 74.5% +1.65 12–3 (80%) 4–1 (80%) 111.8 -9.30 1974 1789 136.8 — — — — -106 -163 +40 59.5% +0.55 8–4 (67%) 2–1 (67%) 107.2 +0.93
1975 2069 159.9 — — — — +42 -19 +139 64.3% +1.22 12–3 (80%) 4–7 (36%) 101.0 -3.34 1975 1750 124.3 — — — — -7 — +32 38.6% -1.16 3–5 (38%) 2–1 (67%) 100.1 -0.93
1976 2046 152.6 — — — — +6 — +210 66.2% +1.56 6–3 (67%) 1–3 (25%) 97.3 -2.07 1976 1724 127.9 — — — — -53 -75 +49 41.1% -0.80 3–5 (38%) 1–1 — -0.96
1977 2031 131.4 — — — — -6 — — 57.1% +0.43 1–0 1–1 — -1.67 1977 1740 135.0 — — — — -68 — +42 37.0% -0.93 1–2 (33%) 0–1 — -1.45
1979 2042 109.2 — — — — — — — 80.0% +1.80 1–0 1–0 — +0.03 1978 1810 140.1 — — — — -59 -135 -22 56.8% +0.62 2–1 (67%) 1–2 (33%) 100.7 -0.22
1980 2043 100.8 — — — — — — — 66.7% +1.00 1–0 0–1 — +0.05 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 2221 154.4 — — — — -1 -65 +42 70.1% +1.58 74–32 (70%) 12–19 (39%) 104.4 -1.23 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.