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

Kazuko Sawamatsu vs Tine Zwaan H2H: 1-0

Kazuko Sawamatsu holds a 1–0 lead over Tine Zwaan in their WTA head-to-head. Across 1 main-draw meeting, Kazuko Sawamatsu leads 1–0 on clay. Most recently, Kazuko Sawamatsu won the 1973 Charlotte round of 32 6-2 6-1.

JPN Age 75 Right-Handed
H2H
1 0
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kazuko Sawamatsu 6-2 6-1 Tine Zwaan Match data Sep 13, 1973* R32 Charlotte 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
Kazuko Sawamatsu 1,954 179 100 64.2% 0 0 0 1 8 9
Tine Zwaan 1,758 49 53 48.0% 0 0 0 0 3 3

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 Tine Zwaan
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
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 1–4 20.0% 1,455 0 0
22 1973 38–21 64.4% 1,825 0 6 1969 2–4 33.3% 1,459 0 0
23 1974 37–20 64.9% 1,900 0 8 1970 2–2 50.0% 1,473 0 0
24 1975 23–10 69.7% 1,954 0 9
25 1972 2–1 66.7% 1,494 0 1
26 1973 8–7 53.3% 1,577 0 3
27 1974 17–13 56.7% 1,664 0 3
28 1975 10–12 45.5% 1,720 0 3
29 1976 0–3 0.0% 1,680 0 3
31 1978 3–4 42.9% 1,644 0 3
32 1979 4–3 57.1% 1,638 0 3

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 Tine Zwaan
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 %
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 0 3 3 0.0% 1 1 2 50.0%
22 1973 3 1 4 75.0% 18 8 26 69.2% 16 9 25 64.0% 1 3 4 25.0% 1969 2 2 4 50.0% 0 2 2 0.0%
23 1974 6 1 7 85.7% 11 9 20 55.0% 17 9 26 65.4% 3 1 4 75.0% 1970 2 2 4 50.0%
24 1975 19 7 26 73.1% 4 3 7 57.1%
25 1972 2 1 3 66.7%
26 1973 0 1 1 0.0% 6 4 10 60.0% 2 2 4 50.0%
27 1974 2 1 3 66.7% 13 7 20 65.0% 2 2 4 50.0% 0 3 3 0.0%
28 1975 4 5 9 44.4% 3 4 7 42.9% 1 1 2 50.0% 2 2 4 50.0%
29 1976 0 1 1 0.0% 0 1 1 0.0% 0 1 1 0.0%
31 1978 1 1 2 50.0% 2 2 4 50.0%
32 1979 2 1 3 66.7% 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% 6 7 13 46.2% 28 24 52 53.8% 8 10 18 44.4% 5 10 15 33.3%

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 Tine Zwaan
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 1456 96.5 -17 30.8% -1.00 1–2 (33%) +0.18
22 1973 1826 145.5 -160 +61 +45 60.9% +0.99 10–5 (67%) 3–4 (43%) 104.0 +1.60 1969 1460 97.7 -1 33.3% -1.25 +0.44
23 1974 1900 150.9 -79 -49 +35 61.7% +0.94 8–2 (80%) 4–3 (57%) 106.4 -3.51 1970 1474 106.5 +13 44.4% 0.00 1–0 +0.63
24 1975 1955 150.1 +26 -50 64.9% +1.09 6–2 (75%) 3–1 (75%) 106.5 -0.94
25 1972 1494 106.3 +26 57.1% +1.14 1–0 +0.65
26 1973 1577 120.6 +34 -48 47.1% -0.15 4–0 (100%) +1.58
27 1974 1665 127.2 -134 +54 -85 55.1% +0.28 5–6 (45%) 1–1 +0.78
28 1975 1721 117.0 -42 -18 44.0% -1.02 6–2 (75%) 3–3 (50%) 106.7 -1.07
29 1976 1681 104.3 14.3% -2.43 0–1 -0.04
31 1978 1644 98.7 +8 37.5% -0.69 2–0 0–1 +1.41
32 1979 1638 113.7 -48 52.9% +0.94 2–1 (67%) 0–3 (0%) 98.4 +1.40
Career 1955 150.4 -131 +6 +3 61.3% +1.01 41–21 (66%) 11–8 (58%) 110.7 -3.61 1758 120.5 -57 +27 -61 46.2% -0.29 22–12 (65%) 4–8 (33%) 106.6 +5.90

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.