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

Kazuko Sawamatsu vs Nancy Richey H2H: 1-1

Kazuko Sawamatsu and Nancy Richey are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, they are tied 1–1 on grass. Most recently, Kazuko Sawamatsu won the 1972 US Open round of 64 6-4 4-6 6-3.

JPN Age 75 Right-Handed
H2H
1 1
2 main-draw meetings
USA Age 84 Right-Handed 160 cm / 5'3"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kazuko Sawamatsu 6-4 4-6 6-3 Nancy Richey Match data Sep 2, 1972* R64 US Open Grand Slam Grass
Nancy Richey 6-2 6-2 Kazuko Sawamatsu Match data Jun 27, 1971* R32 Wimbledon Grand Slam Grass

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
Nancy Richey #8 2,245 324 109 74.8% 1 0 0 2 19 22

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 Nancy Richey
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
22 1973 38–21 64.4% 1,825 0 6
23 1974 37–20 64.9% 1,900 0 8
24 1975 23–10 69.7% 1,954 0 9
25 1968 56–5 91.8% 1,916 1 4
26 1969 33–8 80.5% 2,054 1 7
27 1970 43–8 84.3% 2,122 1 14
28 1971 29–13 69.0% 2,076 1 14
29 1972 45–12 78.9% 2,194 1 19
30 1973 34–13 72.3% 2,191 1 19
31 1974 25–13 65.8% 2,151 1 19
32 1975 24–11 68.6% #8 2,120 1 20
33 1976 14–10 58.3% 2,084 1 20
34 1977 15–7 68.2% 2,016 1 22
35 1978 6–9 40.0% 1,922 1 22

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 Nancy Richey
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
22 1973 1826 145.5 -160 +61 +45 60.9% +0.99 10–5 (67%) 3–4 (43%) 104.0 +1.60
23 1974 1900 150.9 -79 -49 +35 61.7% +0.94 8–2 (80%) 4–3 (57%) 106.4 -3.51
24 1975 1955 150.1 +26 -50 64.9% +1.09 6–2 (75%) 3–1 (75%) 106.5 -0.94
25 1968 1916 145.6 -119 +83 -174 87.6% +3.09 10–1 (91%) -0.10
26 1969 2054 151.8 +32 -32 -127 77.3% +1.99 6–2 (75%) -3.41
27 1970 2123 162.9 +60 -35 -127 80.0% +2.51 6–2 (75%) 1–0 -4.02
28 1971 2077 156.0 +22 +31 -94 65.1% +1.50 4–4 (50%) 3–5 (38%) 97.6 -3.59
29 1972 2194 166.6 +186 -41 -224 79.6% +2.43 5–4 (56%) 4–3 (57%) 101.6 -6.67
30 1973 2192 164.0 +123 -6 -220 67.6% +1.24 9–7 (56%) 7–3 (70%) 101.3 -7.33
31 1974 2152 156.5 +112 +19 -165 68.9% +1.60 7–3 (70%) 3–3 (50%) 99.8 -3.90
32 1975 2121 155.3 +105 -19 65.8% +1.55 8–4 (67%) 2–6 (25%) 96.2 -2.17
33 1976 2085 155.1 +132 -40 60.0% +0.82 4–4 (50%) 1–2 (33%) 96.6 -4.18
34 1977 2016 146.8 +91 +43 64.6% +1.42 3–3 (50%) 3–3 (50%) 96.9 -1.27
35 1978 1923 136.5 +56 +55 45.5% -0.24 0–3 (0%) 2–1 (67%) 95.2 -2.03
Career 1955 150.4 -131 +6 +3 61.3% +1.01 41–21 (66%) 11–8 (58%) 110.7 -3.61 2245 164.5 +89 +9 -154 72.7% +1.89 62–37 (63%) 26–26 (50%) 100.3 -9.27

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.