Kazuko Sawamatsu
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Evonne Goolagong | 0 | 9 | 9 | Sep 6, 1975 | H2H |
| Olga Morozova | 2 | 6 | 8 | Dec 7, 1974 | H2H |
| Julie Heldman | 2 | 4 | 6 | Sep 2, 1975 | H2H |
| Kerry Reid | 0 | 6 | 6 | Dec 21, 1974 | H2H |
| Helen Gourlay | 1 | 4 | 5 | Oct 21, 1974 | H2H |
H2H data updated: 2026-09-13 00:00 UTC
Kazuko Sawamatsu vs Wendy Overton H2H: 1-0
Kazuko Sawamatsu holds a 1–0 lead over Wendy Overton in their WTA head-to-head. Across 1 main-draw meeting, Kazuko Sawamatsu leads 1–0 on carpet. Most recently, Kazuko Sawamatsu won the 1974 Tokyo Sillook final 6-4 7-5.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Kazuko Sawamatsu | 6-4 7-5 | Wendy Overton | Match data | Oct 27, 1974* | F | Tokyo Sillook | WTA 250 | Carpet |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kazuko Sawamatsu | — | — | — | 1,954 | 179 | 100 | 64.2% | 0 | 0 | 0 | 1 | 8 | 9 |
| Wendy Overton | — | — | — | 1,913 | 123 | 142 | 46.4% | 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 | Kazuko Sawamatsu | Wendy Overton | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | 1968 | 9–7 | 56.2% | — | 1,556 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 1969 | 16–8 | 66.7% | — | 1,674 | 0 | 1 | — | — | — | — | — | — | — |
| 19 | 1970 | 10–8 | 55.6% | — | 1,727 | 0 | 2 | — | — | — | — | — | — | — |
| 20 | 1971 | 18–10 | 64.3% | — | 1,826 | 0 | 3 | — | — | — | — | — | — | — |
| 21 | 1972 | 28–16 | 63.6% | — | 1,848 | 0 | 6 | 1968 | 2–1 | 66.7% | — | 1,520 | 0 | 0 |
| 22 | 1973 | 38–21 | 64.4% | — | 1,825 | 0 | 6 | 1969 | 7–4 | 63.6% | — | 1,604 | 0 | 0 |
| 23 | 1974 | 37–20 | 64.9% | — | 1,900 | 0 | 8 | 1970 | 6–11 | 35.3% | — | 1,584 | 0 | 0 |
| 24 | 1975 | 23–10 | 69.7% | — | 1,954 | 0 | 9 | 1971 | 9–9 | 50.0% | — | 1,680 | 0 | 0 |
| 25 | — | — | — | — | — | — | — | 1972 | 40–30 | 57.1% | — | 1,884 | 0 | 0 |
| 26 | — | — | — | — | — | — | — | 1973 | 14–23 | 37.8% | — | 1,753 | 0 | 0 |
| 27 | — | — | — | — | — | — | — | 1974 | 12–18 | 40.0% | — | 1,769 | 0 | 0 |
| 28 | — | — | — | — | — | — | — | 1975 | 17–14 | 54.8% | — | 1,853 | 0 | 0 |
| 29 | — | — | — | — | — | — | — | 1976 | 10–17 | 37.0% | — | 1,756 | 0 | 0 |
| 30 | — | — | — | — | — | — | — | 1977 | 5–11 | 31.2% | — | 1,716 | 0 | 0 |
| 31 | — | — | — | — | — | — | — | 1978 | 1–4 | 20.0% | — | 1,652 | 0 | 0 |
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 | Kazuko Sawamatsu | Wendy Overton | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Carpet | Yr | Hard | Clay | Grass | Carpet | |||||||||||||||||||||||||
| 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 % | |||
| 17 | 1968 | — | — | — | — | 9 | 5 | 14 | 64.3% | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 1969 | — | — | — | — | 13 | 6 | 19 | 68.4% | 3 | 2 | 5 | 60.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 1970 | — | — | — | — | 3 | 4 | 7 | 42.9% | 4 | 4 | 8 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 1971 | — | — | — | — | 4 | 4 | 8 | 50.0% | 14 | 6 | 20 | 70.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 1972 | 1 | 1 | 2 | 50.0% | 11 | 7 | 18 | 61.1% | 13 | 8 | 21 | 61.9% | 3 | 0 | 3 | 100.0% | 1968 | — | — | — | — | — | — | — | — | 2 | 1 | 3 | 66.7% | — | — | — | — |
| 22 | 1973 | 3 | 1 | 4 | 75.0% | 18 | 8 | 26 | 69.2% | 16 | 9 | 25 | 64.0% | 1 | 3 | 4 | 25.0% | 1969 | — | — | — | — | 3 | 2 | 5 | 60.0% | 4 | 2 | 6 | 66.7% | — | — | — | — |
| 23 | 1974 | 6 | 1 | 7 | 85.7% | 11 | 9 | 20 | 55.0% | 17 | 9 | 26 | 65.4% | 3 | 1 | 4 | 75.0% | 1970 | — | — | — | — | 2 | 5 | 7 | 28.6% | 3 | 5 | 8 | 37.5% | 1 | 1 | 2 | 50.0% |
| 24 | 1975 | — | — | — | — | 19 | 7 | 26 | 73.1% | 4 | 3 | 7 | 57.1% | — | — | — | — | 1971 | 4 | 2 | 6 | 66.7% | 4 | 4 | 8 | 50.0% | 1 | 2 | 3 | 33.3% | 0 | 1 | 1 | 0.0% |
| 25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1972 | 6 | 5 | 11 | 54.5% | 11 | 10 | 21 | 52.4% | 10 | 5 | 15 | 66.7% | 13 | 10 | 23 | 56.5% |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1973 | 3 | 4 | 7 | 42.9% | 4 | 6 | 10 | 40.0% | 2 | 3 | 5 | 40.0% | 5 | 10 | 15 | 33.3% |
| 27 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1974 | 7 | 5 | 12 | 58.3% | 2 | 4 | 6 | 33.3% | 0 | 2 | 2 | 0.0% | 3 | 7 | 10 | 30.0% |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1975 | 8 | 6 | 14 | 57.1% | 4 | 3 | 7 | 57.1% | — | — | — | — | 5 | 5 | 10 | 50.0% |
| 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1976 | 1 | 2 | 3 | 33.3% | 5 | 4 | 9 | 55.6% | 0 | 2 | 2 | 0.0% | 4 | 9 | 13 | 30.8% |
| 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1977 | 0 | 1 | 1 | 0.0% | 2 | 4 | 6 | 33.3% | — | — | — | — | 3 | 6 | 9 | 33.3% |
| 31 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1978 | 1 | 3 | 4 | 25.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| Career | — | 10 | 3 | 13 | 76.9% | 88 | 50 | 138 | 63.8% | 71 | 43 | 114 | 62.3% | 7 | 4 | 11 | 63.6% | — | 30 | 28 | 58 | 51.7% | 37 | 43 | 80 | 46.2% | 22 | 22 | 44 | 50.0% | 34 | 49 | 83 | 41.0% |
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 | Kazuko Sawamatsu | Wendy Overton | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 17 | 1968 | 1556 | 119.1 | — | — | — | — | — | +59 | — | 56.3% | +0.87 | 2–0 | — | — | +0.07 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 1969 | 1674 | 127.4 | — | — | — | — | — | +49 | -122 | 64.7% | +1.25 | 2–1 (67%) | — | — | +0.72 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 1970 | 1727 | 133.7 | — | — | — | — | — | -29 | -107 | 59.1% | +0.75 | 2–6 (25%) | — | — | -1.68 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 1971 | 1827 | 139.8 | — | — | — | — | — | -118 | 0 | 59.3% | +0.81 | 6–1 (86%) | 1–0 | — | -2.27 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 1972 | 1848 | 149.8 | — | — | — | — | -200 | -59 | +3 | 61.1% | +1.22 | 5–4 (56%) | — | — | -3.87 | 1968 | 1520 | 100.5 | — | — | — | — | — | — | +35 | 57.1% | +0.28 | 1–0 | — | — | +0.26 |
| 22 | 1973 | 1826 | 145.5 | — | — | — | — | -160 | +61 | +45 | 60.9% | +0.99 | 10–5 (67%) | 3–4 (43%) | 104.0 | +1.60 | 1969 | 1604 | 121.0 | — | — | — | — | — | -45 | +42 | 53.8% | +0.42 | 4–0 (100%) | — | — | +0.01 |
| 23 | 1974 | 1900 | 150.9 | — | — | — | — | -79 | -49 | +35 | 61.7% | +0.94 | 8–2 (80%) | 4–3 (57%) | 106.4 | -3.51 | 1970 | 1585 | 124.1 | — | — | — | — | — | -72 | +70 | 34.3% | -0.69 | 1–2 (33%) | — | — | -1.02 |
| 24 | 1975 | 1955 | 150.1 | — | — | — | — | — | +26 | -50 | 64.9% | +1.09 | 6–2 (75%) | 3–1 (75%) | 106.5 | -0.94 | 1971 | 1680 | 141.5 | — | — | — | — | -10 | -102 | -27 | 50.0% | +0.38 | 3–3 (50%) | 1–4 (20%) | 99.6 | -0.38 |
| 25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1972 | 1885 | 149.2 | — | — | — | — | -37 | -158 | -105 | 56.0% | +0.37 | 8–6 (57%) | 7–5 (58%) | 106.3 | -9.20 |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1973 | 1754 | 141.1 | — | — | — | — | +10 | -31 | -10 | 41.0% | -0.63 | 5–6 (45%) | 3–5 (38%) | 98.8 | -5.52 |
| 27 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1974 | 1770 | 145.0 | — | — | — | — | +11 | -70 | — | 42.4% | -0.03 | 2–3 (40%) | 1–1 | — | -4.75 |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1975 | 1853 | 144.7 | — | — | — | — | +22 | -113 | — | 53.5% | +0.27 | 7–4 (64%) | 1–5 (17%) | 97.8 | -1.20 |
| 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1976 | 1757 | 127.1 | — | — | — | — | -15 | -29 | — | 40.0% | -0.58 | 2–4 (33%) | 1–1 | — | -2.30 |
| 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1977 | 1716 | 121.9 | — | — | — | — | -23 | -28 | — | 32.4% | -1.05 | 3–2 (60%) | 0–1 | — | -1.17 |
| 31 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1978 | 1653 | 101.8 | — | — | — | — | +3 | — | — | 33.3% | -0.75 | 0–2 | — | — | +0.74 |
| Career | — | 1955 | 150.4 | — | — | — | — | -131 | +6 | +3 | 61.3% | +1.01 | 41–21 (66%) | 11–8 (58%) | 110.7 | -3.61 | — | 1914 | 146.3 | — | — | — | — | -6 | -86 | -20 | 46.7% | -0.10 | 36–32 (53%) | 14–22 (39%) | 100.3 | -9.43 |
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.
Wendy Overton
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Rosie Casals | 0 | 12 | 12 | May 14, 1973 | H2H |
| Chris Evert | 0 | 11 | 11 | Feb 26, 1976 | H2H |
| Billie Jean King | 1 | 10 | 11 | Mar 29, 1975 | H2H |
| Francoise Durr | 3 | 6 | 9 | Mar 31, 1976 | H2H |
| Lesley Hunt | 4 | 5 | 9 | Mar 9, 1974 | H2H |