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

Olga Morozova vs Ilana Kloss H2H: 1-0

Olga Morozova holds a 1–0 lead over Ilana Kloss in their WTA head-to-head. Across 1 main-draw meeting, Olga Morozova leads 1–0 on clay. Most recently, Olga Morozova won the 1974 St. Petersburg round of 32 7-5 6-2.

URS Age 77 Right-Handed 170 cm / 5'7"
H2H
1 0
1 main-draw meetings
RSA Age 70 Left-Handed 164 cm / 5'5"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Olga Morozova 7-5 6-2 Ilana Kloss Match data Apr 18, 1974* R32 St. Petersburg WTA 500 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
Ilana Kloss 1,890 135 144 48.4% 0 0 0 0 8 8

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.

Age Olga Morozova Ilana Kloss
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
14 1970 0–1 0.0% 1,491 0 0
15 1971 5–4 55.6% 1,561 0 1
16 1972 13–12 52.0% 1,592 0 3
17 1973 38–18 67.9% 1,872 0 8
18 1974 19–16 54.3% 1,801 0 8
19 1968 14–10 58.3% 1,571 0 1 1975 9–20 31.0% 1,688 0 8
20 1969 30–10 75.0% 1,766 0 5 1976 18–15 54.5% 1,784 0 8
21 1970 41–9 82.0% 1,912 0 13 1977 4–13 23.5% 1,667 0 8
22 1971 22–8 73.3% 1,873 0 17 1978 14–11 56.0% 1,740 0 8
23 1972 53–13 80.3% 1,975 0 24 1979 15–26 36.6% 1,698 0 8
24 1973 35–11 76.1% 2,014 0 28 1980 0–7 0.0% 1,618 0 8
25 1974 55–13 80.9% 2,209 0 32
26 1975 41–18 69.5% #7 2,068 0 34 1982 0–1 0.0% 1,599 0 8
27 1976 25–10 71.4% #9 2,046 0 35
28 1977 6–5 54.5% 2,030 0 35
30 1979 2–0 100.0% 2,041 0 36
31 1980 1–0 100.0% 2,043 0 37

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. 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.

Age Olga Morozova Ilana Kloss
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 %
14 1970 0 1 1 0.0%
15 1971 5 4 9 55.6%
16 1972 8 7 15 53.3% 0 1 1 0.0% 3 4 7 42.9%
17 1973 15 6 21 71.4% 14 7 21 66.7% 9 5 14 64.3%
18 1974 8 5 13 61.5% 3 4 7 42.9% 2 3 5 40.0% 2 2 4 50.0%
19 1968 8 4 12 66.7% 2 3 5 40.0% 4 3 7 57.1% 1975 1 9 10 10.0% 1 2 3 33.3% 1 2 3 33.3% 2 6 8 25.0%
20 1969 12 7 19 63.2% 6 3 9 66.7% 9 0 9 100.0% 1976 3 2 5 60.0% 9 8 17 52.9% 5 4 9 55.6% 1 1 2 50.0%
21 1970 11 2 13 84.6% 15 6 21 71.4% 9 1 10 90.0% 1977 1 1 2 50.0% 1 6 7 14.3% 2 2 4 50.0% 0 4 4 0.0%
22 1971 7 2 9 77.8% 10 6 16 62.5% 4 0 4 100.0% 1978 4 4 8 50.0% 9 4 13 69.2% 1 3 4 25.0%
23 1972 13 4 17 76.5% 30 7 37 81.1% 5 2 7 71.4% 1979 2 7 9 22.2% 1 4 5 20.0% 4 5 9 44.4% 8 10 18 44.4%
24 1973 11 3 14 78.6% 12 3 15 80.0% 12 5 17 70.6% 1980 0 1 1 0.0% 0 2 2 0.0% 0 2 2 0.0% 0 2 2 0.0%
25 1974 15 6 21 71.4% 24 5 29 82.8% 16 2 18 88.9%
26 1975 6 3 9 66.7% 10 4 14 71.4% 9 3 12 75.0% 13 7 20 65.0% 1982 0 1 1 0.0%
27 1976 2 1 3 66.7% 1 1 2 50.0% 13 2 15 86.7% 9 6 15 60.0%
28 1977 6 5 11 54.5%
30 1979 2 0 2 100.0%
Career 8 4 12 66.7% 90 33 123 73.2% 121 38 159 76.1% 87 31 118 73.7% 47 47 94 50.0% 29 34 63 46.0% 35 32 67 52.2% 14 28 42 33.3%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. 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.

Age Olga Morozova Ilana Kloss
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
14 1970 1491 97.3 0.0% -4.50 +0.01
15 1971 1562 111.3 +63 57.9% +0.26 0–1 0–1 +1.35
16 1972 1593 123.4 +46 -33 54.5% +0.64 1–4 (20%) 0–2 +3.97
17 1973 1872 144.6 -17 -132 -190 66.4% +1.36 7–9 (44%) 2–1 (67%) 101.0 +4.89
18 1974 1802 136.3 +25 -83 -116 52.2% +0.16 1–4 (20%) 2–1 (67%) 97.5 -2.52
19 1968 1571 109.1 -7 +18 -53 54.7% +0.41 4–3 (57%) +1.00 1975 1688 127.3 -12 -4 -4 36.4% -0.99 2–8 (20%) 3–5 (38%) 91.8 -1.41
20 1969 1766 133.7 +72 -72 -119 70.9% +1.50 5–3 (63%) +1.35 1976 1784 138.9 -88 -29 -55 50.6% +0.13 8–3 (73%) 3–2 (60%) 108.4 -3.02
21 1970 1913 140.4 -10 -85 -65 75.9% +1.89 8–4 (67%) +1.77 1977 1668 111.1 -42 +4 +35 28.2% -1.69 2–3 (40%) 2–1 (67%) 99.1 -0.17
22 1971 1874 134.0 +62 -36 -12 67.6% +1.50 6–2 (75%) 1–1 +0.73 1978 1740 124.2 -82 +35 55.9% +0.24 4–5 (44%) 5–6 (45%) 100.3 +1.24
23 1972 1975 148.0 -47 -51 +58 75.2% +2.13 10–5 (67%) 0–4 (0%) 99.6 +4.28 1979 1698 126.9 -30 -52 +32 36.8% -1.15 10–5 (67%) 7–2 (78%) 110.6 -0.20
24 1973 2014 149.3 -72 -48 +78 71.7% +1.76 8–6 (57%) 0–1 +1.92 1980 1619 104.5 -41 6.7% -3.20 0–1 0–2 -0.75
25 1974 2210 166.2 -35 -160 +47 74.5% +1.65 12–3 (80%) 4–1 (80%) 111.8 -9.30
26 1975 2069 159.9 +42 -19 +139 64.3% +1.22 12–3 (80%) 4–7 (36%) 101.0 -3.34 1982 1599 97.0 33.3% -2.67 0–1 +0.16
27 1976 2046 152.6 +6 +210 66.2% +1.56 6–3 (67%) 1–3 (25%) 97.3 -2.07
28 1977 2031 131.4 -6 57.1% +0.43 1–0 1–1 -1.67
30 1979 2042 109.2 80.0% +1.80 1–0 1–0 +0.03
31 1980 2043 100.8 66.7% +1.00 1–0 0–1 +0.05
Career 2221 154.4 -1 -65 +42 70.1% +1.58 74–32 (70%) 12–19 (39%) 104.4 -1.23 1890 136.4 -12 -68 -48 48.8% -0.09 35–44 (44%) 24–23 (51%) 101.1 +1.28

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.