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: 2026-09-14 00:00 UTC
Kazuko Sawamatsu vs Isabel Fernandez De Soto H2H: 1-0
Kazuko Sawamatsu holds a 1–0 lead over Isabel Fernandez De Soto in their WTA head-to-head. Across 1 main-draw meeting, Kazuko Sawamatsu leads 1–0 on clay. Most recently, Kazuko Sawamatsu won the 1974 St. Petersburg round of 32 6-4 6-4.
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 6-4 | Isabel Fernandez De Soto | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kazuko Sawamatsu | — | — | — | 1,954 | 179 | 100 | 64.2% | 0 | 0 | 0 | 1 | 8 | 9 |
| Isabel Fernandez De Soto | — | — | — | 1,787 | 91 | 107 | 46.0% | 0 | 0 | 0 | 1 | 6 | 7 |
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 | Isabel Fernandez De Soto | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1969 | 1–4 | 20.0% | — | 1,495 | 0 | 0 |
| 19 | 1970 | 10–8 | 55.6% | — | 1,727 | 0 | 2 | 1970 | 3–2 | 60.0% | — | 1,537 | 0 | 0 |
| 20 | 1971 | 18–10 | 64.3% | — | 1,826 | 0 | 3 | 1971 | 9–9 | 50.0% | — | 1,590 | 0 | 2 |
| 21 | 1972 | 28–16 | 63.6% | — | 1,848 | 0 | 6 | 1972 | 21–18 | 53.8% | — | 1,686 | 0 | 5 |
| 22 | 1973 | 38–21 | 64.4% | — | 1,825 | 0 | 6 | 1973 | 17–18 | 48.6% | — | 1,760 | 0 | 5 |
| 23 | 1974 | 37–20 | 64.9% | — | 1,900 | 0 | 8 | 1974 | 10–19 | 34.5% | — | 1,736 | 0 | 5 |
| 24 | 1975 | 23–10 | 69.7% | — | 1,954 | 0 | 9 | 1975 | 17–15 | 53.1% | — | 1,756 | 0 | 6 |
| 25 | — | — | — | — | — | — | — | 1976 | 12–16 | 42.9% | — | 1,686 | 0 | 7 |
| 26 | — | — | — | — | — | — | — | 1977 | 1–3 | 25.0% | — | 1,644 | 0 | 7 |
| 28 | — | — | — | — | — | — | — | 1979 | 0–3 | 0.0% | — | 1,606 | 0 | 7 |
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 | Isabel Fernandez De Soto | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | — | — | — | — | 1969 | 0 | 2 | 2 | 0.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
| 19 | 1970 | — | — | — | — | 3 | 4 | 7 | 42.9% | 4 | 4 | 8 | 50.0% | — | — | — | — | 1970 | — | — | — | — | 3 | 2 | 5 | 60.0% | — | — | — | — | — | — | — | — |
| 20 | 1971 | — | — | — | — | 4 | 4 | 8 | 50.0% | 14 | 6 | 20 | 70.0% | — | — | — | — | 1971 | — | — | — | — | 5 | 5 | 10 | 50.0% | 4 | 4 | 8 | 50.0% | — | — | — | — |
| 21 | 1972 | 1 | 1 | 2 | 50.0% | 11 | 7 | 18 | 61.1% | 13 | 8 | 21 | 61.9% | 3 | 0 | 3 | 100.0% | 1972 | 1 | 1 | 2 | 50.0% | 8 | 9 | 17 | 47.1% | 5 | 6 | 11 | 45.5% | — | — | — | — |
| 22 | 1973 | 3 | 1 | 4 | 75.0% | 18 | 8 | 26 | 69.2% | 16 | 9 | 25 | 64.0% | 1 | 3 | 4 | 25.0% | 1973 | 0 | 2 | 2 | 0.0% | 9 | 9 | 18 | 50.0% | 5 | 4 | 9 | 55.6% | 3 | 3 | 6 | 50.0% |
| 23 | 1974 | 6 | 1 | 7 | 85.7% | 11 | 9 | 20 | 55.0% | 17 | 9 | 26 | 65.4% | 3 | 1 | 4 | 75.0% | 1974 | 1 | 4 | 5 | 20.0% | 6 | 6 | 12 | 50.0% | 1 | 2 | 3 | 33.3% | 2 | 6 | 8 | 25.0% |
| 24 | 1975 | — | — | — | — | 19 | 7 | 26 | 73.1% | 4 | 3 | 7 | 57.1% | — | — | — | — | 1975 | 1 | 4 | 5 | 20.0% | 7 | 6 | 13 | 53.8% | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1976 | 0 | 1 | 1 | 0.0% | 12 | 9 | 21 | 57.1% | 0 | 1 | 1 | 0.0% | 0 | 5 | 5 | 0.0% |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1977 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1979 | — | — | — | — | — | — | — | — | — | — | — | — | 0 | 3 | 3 | 0.0% |
| Career | — | 10 | 3 | 13 | 76.9% | 88 | 50 | 138 | 63.8% | 71 | 43 | 114 | 62.3% | 7 | 4 | 11 | 63.6% | — | 3 | 15 | 18 | 16.7% | 51 | 48 | 99 | 51.5% | 15 | 17 | 32 | 46.9% | 5 | 19 | 24 | 20.8% |
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 | Isabel Fernandez De Soto | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1969 | 1496 | 93.5 | — | — | — | — | — | +15 | — | 20.0% | -2.60 | — | — | — | -0.69 |
| 19 | 1970 | 1727 | 133.7 | — | — | — | — | — | -29 | -107 | 59.1% | +0.75 | 2–6 (25%) | — | — | -1.68 | 1970 | 1537 | 105.5 | — | — | — | — | — | +29 | — | 46.2% | -0.61 | 3–0 (100%) | — | — | +0.34 |
| 20 | 1971 | 1827 | 139.8 | — | — | — | — | — | -118 | 0 | 59.3% | +0.81 | 6–1 (86%) | 1–0 | — | -2.27 | 1971 | 1591 | 115.3 | — | — | — | — | — | +10 | -22 | 47.7% | -0.09 | 5–3 (63%) | — | — | +1.84 |
| 21 | 1972 | 1848 | 149.8 | — | — | — | — | -200 | -59 | +3 | 61.1% | +1.22 | 5–4 (56%) | — | — | -3.87 | 1972 | 1687 | 131.8 | — | — | — | — | — | -49 | -78 | 54.5% | +0.35 | 4–6 (40%) | 2–0 | — | -0.91 |
| 22 | 1973 | 1826 | 145.5 | — | — | — | — | -160 | +61 | +45 | 60.9% | +0.99 | 10–5 (67%) | 3–4 (43%) | 104.0 | +1.60 | 1973 | 1760 | 139.9 | — | — | — | — | -199 | -32 | -79 | 45.0% | -0.17 | 8–2 (80%) | 3–1 (75%) | 108.8 | -2.62 |
| 23 | 1974 | 1900 | 150.9 | — | — | — | — | -79 | -49 | +35 | 61.7% | +0.94 | 8–2 (80%) | 4–3 (57%) | 106.4 | -3.51 | 1974 | 1737 | 139.1 | — | — | — | — | -191 | +18 | -43 | 33.3% | -1.08 | 2–2 (50%) | 0–1 | — | -3.92 |
| 24 | 1975 | 1955 | 150.1 | — | — | — | — | — | +26 | -50 | 64.9% | +1.09 | 6–2 (75%) | 3–1 (75%) | 106.5 | -0.94 | 1975 | 1756 | 135.1 | — | — | — | — | -182 | +48 | — | 51.3% | +0.04 | 6–4 (60%) | 4–3 (57%) | 103.4 | -2.85 |
| 25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1976 | 1686 | 124.2 | — | — | — | — | -200 | +67 | — | 41.7% | -0.48 | 5–1 (83%) | 2–3 (40%) | 103.3 | -0.32 |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1977 | 1644 | 101.0 | — | — | — | — | — | — | — | 33.3% | -1.11 | 0–1 | 0–1 | — | +0.33 |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1979 | 1606 | 97.5 | — | — | — | — | -158 | — | — | 14.3% | -2.00 | 0–1 | 1–2 (33%) | — | +0.30 |
| Career | — | 1955 | 150.4 | — | — | — | — | -131 | +6 | +3 | 61.3% | +1.01 | 41–21 (66%) | 11–8 (58%) | 110.7 | -3.61 | — | 1788 | 135.2 | — | — | — | — | -190 | +11 | -60 | 45.0% | -0.30 | 33–20 (62%) | 12–11 (52%) | 109.8 | -4.29 |
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.
Isabel Fernandez De Soto
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Virginia Wade | 0 | 6 | 6 | Aug 23, 1975 | H2H |
| Pam Teeguarden | 0 | 5 | 5 | Feb 1, 1979 | H2H |
| Laura Dupont | 3 | 2 | 5 | Apr 15, 1976 | H2H |
| Evonne Goolagong | 0 | 5 | 5 | Mar 18, 1976 | H2H |
| Chris Evert | 0 | 5 | 5 | Oct 17, 1975 | H2H |