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

Ilana Kloss vs Ruta Gerulaitis H2H: 1-1

Ilana Kloss and Ruta Gerulaitis are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, they are tied 1–1 on clay. Most recently, Ruta Gerulaitis won the 1979 Roland Garros round of 32 6-0 RET.

RSA Age 70 Left-Handed 164 cm / 5'5"
H2H
1 1
2 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ruta Gerulaitis 6-0 (ret.) Ilana Kloss Match data Jun 3, 1979* R32 Roland Garros Grand Slam Clay
Ilana Kloss 6-3 6-4 Ruta Gerulaitis Match data Aug 11, 1976* R64 Indianapolis 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
Ilana Kloss 1,890 135 144 48.4% 0 0 0 0 8 8
Ruta Gerulaitis 1,684 36 60 37.5% 0 0 0 0 0 0

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 Ilana Kloss Ruta Gerulaitis
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 1974 1–1 50.0% 1,507 0 0
19 1975 9–20 31.0% 1,688 0 8 1975 5–3 62.5% 1,554 0 0
20 1976 18–15 54.5% 1,784 0 8 1976 9–9 50.0% 1,642 0 0
21 1977 4–13 23.5% 1,667 0 8 1977 4–8 33.3% 1,604 0 0
22 1978 14–11 56.0% 1,740 0 8 1978 11–21 34.4% 1,601 0 0
23 1979 15–26 36.6% 1,698 0 8 1979 6–11 35.3% 1,631 0 0
24 1980 0–7 0.0% 1,618 0 8 1980 0–6 0.0% 1,557 0 0
25 1981 0–1 0.0% 1,540 0 0
26 1982 0–1 0.0% 1,599 0 8

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 Ilana Kloss Ruta Gerulaitis
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% 1974 1 1 2 50.0%
19 1975 1 9 10 10.0% 1 2 3 33.3% 1 2 3 33.3% 2 6 8 25.0% 1975 2 1 3 66.7%
20 1976 3 2 5 60.0% 9 8 17 52.9% 5 4 9 55.6% 1 1 2 50.0% 1976 9 7 16 56.3% 0 2 2 0.0%
21 1977 1 1 2 50.0% 1 6 7 14.3% 2 2 4 50.0% 0 4 4 0.0% 1977 0 1 1 0.0% 1 2 3 33.3% 0 1 1 0.0% 1 3 4 25.0%
22 1978 4 4 8 50.0% 9 4 13 69.2% 1 3 4 25.0% 1978 4 8 12 33.3% 2 4 6 33.3% 3 2 5 60.0% 2 7 9 22.2%
23 1979 2 7 9 22.2% 1 4 5 20.0% 4 5 9 44.4% 8 10 18 44.4% 1979 0 3 3 0.0% 3 3 6 50.0% 2 1 3 66.7% 1 4 5 20.0%
24 1980 0 1 1 0.0% 0 2 2 0.0% 0 2 2 0.0% 0 2 2 0.0% 1980 0 1 1 0.0% 0 1 1 0.0% 0 2 2 0.0% 0 2 2 0.0%
25 1981 0 1 1 0.0%
26 1982 0 1 1 0.0%
Career 47 47 94 50.0% 29 34 63 46.0% 35 32 67 52.2% 14 28 42 33.3% 4 14 18 22.2% 17 18 35 48.6% 6 7 13 46.2% 4 18 22 18.2%

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 Ilana Kloss Ruta Gerulaitis
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 1974 1508 105.2 50.0% +0.75 0–1 +0.22
19 1975 1688 127.3 -12 -4 -4 36.4% -0.99 2–8 (20%) 3–5 (38%) 91.8 -1.41 1975 1554 114.5 +5 56.3% +0.13 1–1 3–0 (100%) +1.00
20 1976 1784 138.9 -88 -29 -55 50.6% +0.13 8–3 (73%) 3–2 (60%) 108.4 -3.02 1976 1642 128.8 +43 47.7% +0.16 5–3 (63%) 2–0 -0.34
21 1977 1668 111.1 -42 +4 +35 28.2% -1.69 2–3 (40%) 2–1 (67%) 99.1 -0.17 1977 1604 112.2 -87 +72 37.5% -0.75 4–4 (50%) 1–0 +0.81
22 1978 1740 124.2 -82 +35 55.9% +0.24 4–5 (44%) 5–6 (45%) 100.3 +1.24 1978 1602 126.0 -69 +34 +27 38.0% -0.65 2–7 (22%) 0–5 (0%) 92.6 +1.42
23 1979 1698 126.9 -30 -52 +32 36.8% -1.15 10–5 (67%) 7–2 (78%) 110.6 -0.20 1979 1631 132.6 -138 +77 +27 35.1% -0.65 2–3 (40%) 0–3 (0%) 96.8 -0.30
24 1980 1619 104.5 -41 6.7% -3.20 0–1 0–2 -0.75 1980 1557 107.5 -158 7.7% -2.46 0–1 0–1 +0.18
25 1981 1541 97.2 0.0% -2.00 +0.20
26 1982 1599 97.0 33.3% -2.67 0–1 +0.16
Career 1890 136.4 -12 -68 -48 48.8% -0.09 35–44 (44%) 24–23 (51%) 101.1 +1.28 1684 129.8 -94 +47 +27 38.8% -0.54 14–19 (42%) 6–10 (38%) 96.0 +3.32

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.