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: 2026-09-12 00:00 UTC
Kazuko Sawamatsu vs Mary Struthers H2H: 3-0
Kazuko Sawamatsu holds a 3–0 lead over Mary Struthers in their WTA head-to-head. Across 3 main-draw meetings, Kazuko Sawamatsu leads 2–0 on clay and 1–0 on carpet. Most recently, Kazuko Sawamatsu won the 1973 Guildford round of 32 7-5 6-0.
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 | 7-5 6-0 | Mary Struthers | Match data | May 17, 1973* | R32 | Guildford | WTA 250 | Clay |
| Kazuko Sawamatsu | 6-1 6-3 | Mary Struthers | Match data | May 10, 1973* | R32 | Bournemouth | WTA 250 | Clay |
| Kazuko Sawamatsu | 6-1 6-3 | Mary Struthers | Match data | Mar 4, 1972* | SF | Pan Pacific Open | WTA 500 | 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 |
| Mary Struthers | — | — | — | 1,777 | 90 | 93 | 49.2% | 0 | 0 | 0 | 0 | 4 | 4 |
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 | Mary Struthers | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1968 | 5–3 | 62.5% | — | 1,526 | 0 | 1 |
| 18 | 1969 | 16–8 | 66.7% | — | 1,674 | 0 | 1 | 1969 | 11–5 | 68.8% | — | 1,594 | 0 | 3 |
| 19 | 1970 | 10–8 | 55.6% | — | 1,727 | 0 | 2 | 1970 | 7–10 | 41.2% | — | 1,534 | 0 | 3 |
| 20 | 1971 | 18–10 | 64.3% | — | 1,826 | 0 | 3 | 1971 | 0–3 | 0.0% | — | 1,509 | 0 | 3 |
| 21 | 1972 | 28–16 | 63.6% | — | 1,848 | 0 | 6 | 1972 | 4–4 | 50.0% | — | 1,520 | 0 | 3 |
| 22 | 1973 | 38–21 | 64.4% | — | 1,825 | 0 | 6 | 1973 | 8–9 | 47.1% | — | 1,556 | 0 | 3 |
| 23 | 1974 | 37–20 | 64.9% | — | 1,900 | 0 | 8 | 1974 | 13–13 | 50.0% | — | 1,573 | 0 | 3 |
| 24 | 1975 | 23–10 | 69.7% | — | 1,954 | 0 | 9 | 1975 | 13–13 | 50.0% | — | 1,653 | 0 | 3 |
| 25 | — | — | — | — | — | — | — | 1976 | 16–12 | 57.1% | — | 1,727 | 0 | 3 |
| 26 | — | — | — | — | — | — | — | 1977 | 12–19 | 38.7% | — | 1,665 | 0 | 4 |
| 27 | — | — | — | — | — | — | — | 1978 | 1–1 | 50.0% | — | 1,662 | 0 | 4 |
| 28 | — | — | — | — | — | — | — | 1979 | 0–1 | 0.0% | — | 1,646 | 0 | 4 |
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 | Mary Struthers | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | — | — | — | — | 1968 | 5 | 3 | 8 | 62.5% | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 1969 | — | — | — | — | 13 | 6 | 19 | 68.4% | 3 | 2 | 5 | 60.0% | — | — | — | — | 1969 | 8 | 5 | 13 | 61.5% | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 1970 | — | — | — | — | 3 | 4 | 7 | 42.9% | 4 | 4 | 8 | 50.0% | — | — | — | — | 1970 | 3 | 5 | 8 | 37.5% | 4 | 2 | 6 | 66.7% | 0 | 3 | 3 | 0.0% | — | — | — | — |
| 20 | 1971 | — | — | — | — | 4 | 4 | 8 | 50.0% | 14 | 6 | 20 | 70.0% | — | — | — | — | 1971 | — | — | — | — | — | — | — | — | 0 | 3 | 3 | 0.0% | — | — | — | — |
| 21 | 1972 | 1 | 1 | 2 | 50.0% | 11 | 7 | 18 | 61.1% | 13 | 8 | 21 | 61.9% | 3 | 0 | 3 | 100.0% | 1972 | — | — | — | — | — | — | — | — | 3 | 2 | 5 | 60.0% | 0 | 1 | 1 | 0.0% |
| 22 | 1973 | 3 | 1 | 4 | 75.0% | 18 | 8 | 26 | 69.2% | 16 | 9 | 25 | 64.0% | 1 | 3 | 4 | 25.0% | 1973 | 0 | 1 | 1 | 0.0% | 5 | 6 | 11 | 45.5% | 3 | 2 | 5 | 60.0% | — | — | — | — |
| 23 | 1974 | 6 | 1 | 7 | 85.7% | 11 | 9 | 20 | 55.0% | 17 | 9 | 26 | 65.4% | 3 | 1 | 4 | 75.0% | 1974 | 2 | 2 | 4 | 50.0% | 1 | 6 | 7 | 14.3% | 1 | 1 | 2 | 50.0% | 1 | 1 | 2 | 50.0% |
| 24 | 1975 | — | — | — | — | 19 | 7 | 26 | 73.1% | 4 | 3 | 7 | 57.1% | — | — | — | — | 1975 | 4 | 4 | 8 | 50.0% | 3 | 3 | 6 | 50.0% | — | — | — | — | 2 | 2 | 4 | 50.0% |
| 25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1976 | 5 | 3 | 8 | 62.5% | 9 | 8 | 17 | 52.9% | — | — | — | — | 2 | 1 | 3 | 66.7% |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1977 | 1 | 3 | 4 | 25.0% | 6 | 10 | 16 | 37.5% | 0 | 2 | 2 | 0.0% | 5 | 4 | 9 | 55.6% |
| 27 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1978 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 50.0% |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1979 | 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% | — | 28 | 27 | 55 | 50.9% | 28 | 35 | 63 | 44.4% | 7 | 13 | 20 | 35.0% | 11 | 10 | 21 | 52.4% |
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 | Mary Struthers | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1968 | 1527 | 105.6 | — | — | — | — | +39 | — | — | 52.9% | +0.59 | 2–1 (67%) | — | — | +0.28 |
| 18 | 1969 | 1674 | 127.4 | — | — | — | — | — | +49 | -122 | 64.7% | +1.25 | 2–1 (67%) | — | — | +0.72 | 1969 | 1594 | 110.9 | — | — | — | — | +43 | — | — | 66.7% | +1.30 | — | — | — | +2.86 |
| 19 | 1970 | 1727 | 133.7 | — | — | — | — | — | -29 | -107 | 59.1% | +0.75 | 2–6 (25%) | — | — | -1.68 | 1970 | 1534 | 108.6 | — | — | — | — | +35 | +6 | -45 | 41.2% | -0.47 | 0–4 (0%) | — | — | +1.39 |
| 20 | 1971 | 1827 | 139.8 | — | — | — | — | — | -118 | 0 | 59.3% | +0.81 | 6–1 (86%) | 1–0 | — | -2.27 | 1971 | 1510 | 105.0 | — | — | — | — | — | — | -46 | 0.0% | -3.67 | — | — | — | -0.21 |
| 21 | 1972 | 1848 | 149.8 | — | — | — | — | -200 | -59 | +3 | 61.1% | +1.22 | 5–4 (56%) | — | — | -3.87 | 1972 | 1520 | 98.2 | — | — | — | — | — | — | -22 | 50.0% | +0.10 | 2–2 (50%) | — | — | +1.53 |
| 22 | 1973 | 1826 | 145.5 | — | — | — | — | -160 | +61 | +45 | 60.9% | +0.99 | 10–5 (67%) | 3–4 (43%) | 104.0 | +1.60 | 1973 | 1556 | 108.6 | — | — | — | — | — | +14 | -31 | 43.2% | -0.97 | 3–0 (100%) | 1–0 | — | +0.33 |
| 23 | 1974 | 1900 | 150.9 | — | — | — | — | -79 | -49 | +35 | 61.7% | +0.94 | 8–2 (80%) | 4–3 (57%) | 106.4 | -3.51 | 1974 | 1574 | 113.2 | — | — | — | — | -16 | -101 | — | 50.8% | +0.31 | 3–4 (43%) | 1–3 (25%) | 97.4 | +0.99 |
| 24 | 1975 | 1955 | 150.1 | — | — | — | — | — | +26 | -50 | 64.9% | +1.09 | 6–2 (75%) | 3–1 (75%) | 106.5 | -0.94 | 1975 | 1654 | 128.6 | — | — | — | — | +20 | -127 | — | 51.7% | +0.45 | 3–5 (38%) | 3–3 (50%) | 99.6 | +0.34 |
| 25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1976 | 1728 | 125.0 | — | — | — | — | -22 | -91 | — | 56.3% | +0.09 | 4–4 (50%) | 4–1 (80%) | 103.1 | -0.54 |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1977 | 1665 | 123.0 | — | — | — | — | +17 | -25 | — | 37.7% | -0.84 | 5–4 (56%) | 1–2 (33%) | — | +0.20 |
| 27 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1978 | 1662 | 104.6 | — | — | — | — | — | — | — | 50.0% | +0.17 | 1–1 | 1–1 | — | +0.57 |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1979 | 1646 | 97.7 | — | — | — | — | — | — | — | 0.0% | -3.50 | — | — | — | +0.08 |
| Career | — | 1955 | 150.4 | — | — | — | — | -131 | +6 | +3 | 61.3% | +1.01 | 41–21 (66%) | 11–8 (58%) | 110.7 | -3.61 | — | 1778 | 121.6 | — | — | — | — | +18 | -51 | -34 | 48.3% | -0.09 | 23–25 (48%) | 11–10 (52%) | 100.6 | +4.39 |
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.
Mary Struthers
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Dianne Fromholtz | 0 | 6 | 6 | Oct 20, 1977 | H2H |
| Janet Newberry | 2 | 3 | 5 | Oct 27, 1977 | H2H |
| Jane Stratton | 1 | 3 | 4 | Jan 27, 1978 | H2H |
| Laura Dupont | 2 | 2 | 4 | Sep 30, 1977 | H2H |
| Glynis Coles | 1 | 3 | 4 | Sep 4, 1976 | H2H |