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

Kazuko Sawamatsu vs Brenda Kirk H2H: 1-0

Kazuko Sawamatsu holds a 1–0 lead over Brenda Kirk in their WTA head-to-head. Across 1 main-draw meeting, Kazuko Sawamatsu leads 1–0 on clay. Most recently, Kazuko Sawamatsu won the 1971 Roland Garros round of 64 6-4 6-3.

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Kazuko Sawamatsu
JPN Age 75 Right-Handed
H2H
1 – 0
1 main-draw meetings
Brenda Kirk
RSA

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kazuko Sawamatsu 6-4 6-3 Brenda Kirk Match data May 24, 1971 R64 Roland Garros Grand Slam Clay

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
Brenda Kirk — — — 1,790 102 116 46.8% 0 0 0 0 2 2

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 Brenda Kirk
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1968 9–7 56.2% — 1,556 0 0 1968 1–4 20.0% — 1,460 0 0
18 1969 16–8 66.7% — 1,674 0 1 1969 13–18 41.9% — 1,527 0 0
19 1970 10–8 55.6% — 1,727 0 2 1970 15–22 40.5% — 1,576 0 0
20 1971 18–10 64.3% — 1,826 0 3 1971 26–23 53.1% — 1,678 0 1
21 1972 28–16 63.6% — 1,848 0 6 1972 37–25 59.7% — 1,774 0 2
22 1973 38–21 64.4% — 1,825 0 6 1973 6–20 23.1% — 1,673 0 2
23 1974 37–20 64.9% — 1,900 0 8 1974 3–2 60.0% — 1,677 0 2
24 1975 23–10 69.7% — 1,954 0 9 — — — — — — —
25 — — — — — — — 1976 1–1 50.0% — 1,682 0 2
26 — — — — — — — 1977 0–1 0.0% — 1,665 0 2

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 Brenda Kirk
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% — — — — 1968 1 4 5 20.0% — — — — — — — — — — — —
18 1969 — — — — 13 6 19 68.4% 3 2 5 60.0% — — — — 1969 4 5 9 44.4% 2 4 6 33.3% 7 9 16 43.8% — — — —
19 1970 — — — — 3 4 7 42.9% 4 4 8 50.0% — — — — 1970 5 5 10 50.0% 5 9 14 35.7% 5 8 13 38.5% — — — —
20 1971 — — — — 4 4 8 50.0% 14 6 20 70.0% — — — — 1971 6 4 10 60.0% 11 11 22 50.0% 9 8 17 52.9% — — — —
21 1972 1 1 2 50.0% 11 7 18 61.1% 13 8 21 61.9% 3 0 3 100.0% 1972 12 3 15 80.0% 9 10 19 47.4% 7 7 14 50.0% 9 5 14 64.3%
22 1973 3 1 4 75.0% 18 8 26 69.2% 16 9 25 64.0% 1 3 4 25.0% 1973 3 7 10 30.0% 2 6 8 25.0% 1 3 4 25.0% 0 4 4 0.0%
23 1974 6 1 7 85.7% 11 9 20 55.0% 17 9 26 65.4% 3 1 4 75.0% 1974 1 1 2 50.0% — — — — — — — — — — — —
24 1975 — — — — 19 7 26 73.1% 4 3 7 57.1% — — — — — — — — — — — — — — — — — — — — —
25 — — — — — — — — — — — — — — — — — 1976 1 1 2 50.0% — — — — — — — — — — — —
26 — — — — — — — — — — — — — — — — — 1977 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% — 33 31 64 51.6% 29 40 69 42.0% 29 35 64 45.3% 9 9 18 50.0%

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 Brenda Kirk
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 1460 95.8 — — — — -15 — — 27.3% -1.55 0–1 — — +0.11
18 1969 1674 127.4 — — — — — +49 -122 64.7% +1.25 2–1 (67%) — — +0.72 1969 1528 115.7 — — — — +3 -45 +44 46.0% -0.36 2–3 (40%) — — +0.37
19 1970 1727 133.7 — — — — — -29 -107 59.1% +0.75 2–6 (25%) — — -1.68 1970 1577 119.6 — — — — +10 -102 +23 40.0% -0.74 4–2 (67%) — — -1.30
20 1971 1827 139.8 — — — — — -118 0 59.3% +0.81 6–1 (86%) 1–0 — -2.27 1971 1678 130.6 — — — — -21 -84 +10 52.7% +0.15 6–6 (50%) 2–1 (67%) 102.9 +3.63
21 1972 1848 149.8 — — — — -200 -59 +3 61.1% +1.22 5–4 (56%) — — -3.87 1972 1775 136.1 — — — — +141 -190 -45 57.0% +0.40 8–7 (53%) 3–3 (50%) 101.4 +0.85
22 1973 1826 145.5 — — — — -160 +61 +45 60.9% +0.99 10–5 (67%) 3–4 (43%) 104.0 +1.60 1973 1673 116.8 — — — — +33 -98 +38 24.6% -2.40 3–2 (60%) 4–1 (80%) 102.2 -2.93
23 1974 1900 150.9 — — — — -79 -49 +35 61.7% +0.94 8–2 (80%) 4–3 (57%) 106.4 -3.51 1974 1677 110.0 — — — — — — — 54.5% +0.45 1–0 — — +0.41
24 1975 1955 150.1 — — — — — +26 -50 64.9% +1.09 6–2 (75%) 3–1 (75%) 106.5 -0.94 — — — — — — — — — — — — — — — —
25 — — — — — — — — — — — — — — — — 1976 1683 109.3 — — — — — — — 60.0% +0.80 0–1 1–0 — +0.05
26 — — — — — — — — — — — — — — — — 1977 1666 100.7 — — — — — — — 33.3% +0.33 0–1 0–1 — +0.13
Career — 1955 150.4 — — — — -131 +6 +3 61.3% +1.01 41–21 (66%) 11–8 (58%) 110.7 -3.61 — 1791 128.6 — — — — +57 -115 +11 46.9% -0.33 24–23 (51%) 10–6 (63%) 103.8 +0.61

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.