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

Ruta Gerulaitis vs Sonoe Yonezawa H2H: 0-1

Sonoe Yonezawa holds a 1–0 lead over Ruta Gerulaitis in their WTA head-to-head. Across 1 main-draw meeting, Sonoe Yonezawa leads 1–0 on hard courts. Most recently, Sonoe Yonezawa won the 1978 Canadian Open round of 32 6-1 7-5.

H2H
0 1
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Sonoe Yonezawa 6-1 7-5 Ruta Gerulaitis Match data Aug 17, 1978* R32 Canadian Open WTA 250 Hard

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
Ruta Gerulaitis 1,684 36 60 37.5% 0 0 0 0 0 0
Sonoe Yonezawa 1,555 14 23 37.8% 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 Ruta Gerulaitis Sonoe Yonezawa
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 1974 1–1 50.0% 1,507 0 0
19 1975 5–3 62.5% 1,554 0 0
20 1976 9–9 50.0% 1,642 0 0
21 1977 4–8 33.3% 1,604 0 0
22 1978 11–21 34.4% 1,601 0 0
23 1979 6–11 35.3% 1,631 0 0
24 1980 0–6 0.0% 1,557 0 0
25 1981 0–1 0.0% 1,540 0 0
29 1978 5–8 38.5% 1,519 0 0
30 1979 1–2 33.3% 1,513 0 0
31 1980 8–9 47.1% 1,544 0 0
32 1981 0–2 0.0% 1,515 0 0
34 1983 0–2 0.0% 1,487 0 0

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 Ruta Gerulaitis Sonoe Yonezawa
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
18 1974 1508 105.2 50.0% +0.75 0–1 +0.22
19 1975 1554 114.5 +5 56.3% +0.13 1–1 3–0 (100%) +1.00
20 1976 1642 128.8 +43 47.7% +0.16 5–3 (63%) 2–0 -0.34
21 1977 1604 112.2 -87 +72 37.5% -0.75 4–4 (50%) 1–0 +0.81
22 1978 1602 126.0 -69 +34 +27 38.0% -0.65 2–7 (22%) 0–5 (0%) 92.6 +1.42
23 1979 1631 132.6 -138 +77 +27 35.1% -0.65 2–3 (40%) 0–3 (0%) 96.8 -0.30
24 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
29 1978 1519 105.3 +93 +29 40.7% -0.78 0–1 0–1 +1.27
30 1979 1514 102.1 33.3% -1.50 -0.03
31 1980 1545 106.5 +1 43.6% -0.61 4–1 (80%) 1–3 (25%) 102.5 +0.24
32 1981 1515 99.1 20.0% -1.60 0–1 +0.36
34 1983 1487 93.3 0.0% -3.75 +0.10
Career 1684 129.8 -94 +47 +27 38.8% -0.54 14–19 (42%) 6–10 (38%) 96.0 +3.32 1555 104.1 +36 +29 38.3% -0.95 4–3 (57%) 1–4 (20%) 98.8 +5.24

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.