H2H data updated: 2026-09-12 00:00 UTC

Kay Williams vs Olga Morozova H2H: 0-1

Olga Morozova holds a 1–0 lead over Kay Williams in their WTA head-to-head. Across 1 main-draw meeting, Olga Morozova leads 1–0 on grass. Most recently, Olga Morozova won the 1972 Australian Open round of 32 6-0 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.

Kay Williams
AUS
H2H
0 – 1
1 main-draw meetings
Olga Morozova
URS Age 77 Right-Handed 170 cm / 5'7"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Olga Morozova 6-0 6-1 Kay Williams Match data Dec 27, 1971 R32 Australian Open Grand Slam Grass

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
Kay Williams — — — 1,500 0 3 0.0% 0 0 0 0 0 0
Olga Morozova — #7 — 2,221 325 107 75.2% 0 0 0 8 29 37

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.

Kay Williams Olga Morozova
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 0–1 0.0% — 1,484 0 0 1968 14–10 58.3% — 1,571 0 1
1972 0–1 0.0% — 1,480 0 0 1969 30–10 75.0% — 1,766 0 5
1973 0–1 0.0% — 1,472 0 0 1970 41–9 82.0% — 1,912 0 13
— — — — — — — 1971 22–8 73.3% — 1,873 0 17
— — — — — — — 1972 53–13 80.3% — 1,975 0 24
— — — — — — — 1973 35–11 76.1% — 2,014 0 28
— — — — — — — 1974 55–13 80.9% — 2,209 0 32
— — — — — — — 1975 41–18 69.5% #7 2,068 0 34
— — — — — — — 1976 25–10 71.4% #9 2,046 0 35
— — — — — — — 1977 6–5 54.5% — 2,030 0 35
— — — — — — — 1979 2–0 100.0% — 2,041 0 36
— — — — — — — 1980 1–0 100.0% — 2,043 0 37

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.

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

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.

Kay Williams Olga Morozova
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 1484 96.5 — — — — — — — 0.0% -3.50 — — — +0.08 1968 1571 109.1 — — — — -7 +18 -53 54.7% +0.41 4–3 (57%) — — +1.00
1972 1481 96.9 — — — — — — — 0.0% -5.50 — — — -0.07 1969 1766 133.7 — — — — +72 -72 -119 70.9% +1.50 5–3 (63%) — — +1.35
1973 1472 99.5 — — — — — — — 33.3% -2.33 0–1 — — +0.07 1970 1913 140.4 — — — — -10 -85 -65 75.9% +1.89 8–4 (67%) — — +1.77
— — — — — — — — — — — — — — — — 1971 1874 134.0 — — — — +62 -36 -12 67.6% +1.50 6–2 (75%) 1–1 — +0.73
— — — — — — — — — — — — — — — — 1972 1975 148.0 — — — — -47 -51 +58 75.2% +2.13 10–5 (67%) 0–4 (0%) 99.6 +4.28
— — — — — — — — — — — — — — — — 1973 2014 149.3 — — — — -72 -48 +78 71.7% +1.76 8–6 (57%) 0–1 — +1.92
— — — — — — — — — — — — — — — — 1974 2210 166.2 — — — — -35 -160 +47 74.5% +1.65 12–3 (80%) 4–1 (80%) 111.8 -9.30
— — — — — — — — — — — — — — — — 1975 2069 159.9 — — — — +42 -19 +139 64.3% +1.22 12–3 (80%) 4–7 (36%) 101.0 -3.34
— — — — — — — — — — — — — — — — 1976 2046 152.6 — — — — +6 — +210 66.2% +1.56 6–3 (67%) 1–3 (25%) 97.3 -2.07
— — — — — — — — — — — — — — — — 1977 2031 131.4 — — — — -6 — — 57.1% +0.43 1–0 1–1 — -1.67
— — — — — — — — — — — — — — — — 1979 2042 109.2 — — — — — — — 80.0% +1.80 1–0 1–0 — +0.03
— — — — — — — — — — — — — — — — 1980 2043 100.8 — — — — — — — 66.7% +1.00 1–0 0–1 — +0.05
Career 1500 96.6 — — — — — — — 14.3% -3.57 0–1 — — +2.67 Career 2221 154.4 — — — — -1 -65 +42 70.1% +1.58 74–32 (70%) 12–19 (39%) 104.4 -1.23

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.