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

Kazuko Sawamatsu vs Kaye Hallam H2H: 1-0

Kazuko Sawamatsu holds a 1–0 lead over Kaye Hallam in their WTA head-to-head. Across 1 main-draw meeting, Kazuko Sawamatsu leads 1–0 on grass. Most recently, Kazuko Sawamatsu won the 1974 Sydney International round of 32 6-0 6-1.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Kazuko Sawamatsu
JPN Age 75 Right-Handed
H2H
1 – 0
1 main-draw meetings
Kaye Hallam
AUS Age 69

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kazuko Sawamatsu 6-0 6-1 Kaye Hallam Match data Dec 19, 1974* R32 Sydney International WTA 500 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
Kaye Hallam — — — 1,524 20 34 37.0% 0 0 0 0 0 0

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 Kaye Hallam
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1968 9–7 56.2% — 1,556 0 0 1974 2–4 33.3% — 1,500 0 0
18 1969 16–8 66.7% — 1,674 0 1 1975 2–5 28.6% — 1,469 0 0
19 1970 10–8 55.6% — 1,727 0 2 1976 2–4 33.3% — 1,467 0 0
20 1971 18–10 64.3% — 1,826 0 3 1977 6–9 40.0% — 1,501 0 0
21 1972 28–16 63.6% — 1,848 0 6 1978 1–3 25.0% — 1,492 0 0
22 1973 38–21 64.4% — 1,825 0 6 1979 7–9 43.8% — 1,490 0 0
23 1974 37–20 64.9% — 1,900 0 8 — — — — — — —
24 1975 23–10 69.7% — 1,954 0 9 — — — — — — —

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 Kaye Hallam
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% — — — — 1974 — — — — — — — — 2 4 6 33.3% — — — —
18 1969 — — — — 13 6 19 68.4% 3 2 5 60.0% — — — — 1975 — — — — 2 2 4 50.0% 0 3 3 0.0% — — — —
19 1970 — — — — 3 4 7 42.9% 4 4 8 50.0% — — — — 1976 — — — — 0 1 1 0.0% 0 2 2 0.0% — — — —
20 1971 — — — — 4 4 8 50.0% 14 6 20 70.0% — — — — 1977 0 1 1 0.0% 1 1 2 50.0% 3 4 7 42.9% 0 2 2 0.0%
21 1972 1 1 2 50.0% 11 7 18 61.1% 13 8 21 61.9% 3 0 3 100.0% 1978 — — — — — — — — 1 3 4 25.0% — — — —
22 1973 3 1 4 75.0% 18 8 26 69.2% 16 9 25 64.0% 1 3 4 25.0% 1979 — — — — 4 4 8 50.0% 2 3 5 40.0% — — — —
23 1974 6 1 7 85.7% 11 9 20 55.0% 17 9 26 65.4% 3 1 4 75.0% — — — — — — — — — — — — — — — — —
24 1975 — — — — 19 7 26 73.1% 4 3 7 57.1% — — — — — — — — — — — — — — — — — — — — —
Career — 10 3 13 76.9% 88 50 138 63.8% 71 43 114 62.3% 7 4 11 63.6% — 0 1 1 0.0% 7 8 15 46.7% 8 19 27 29.6% 0 2 2 0.0%

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 Kaye Hallam
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 1974 1500 98.2 — — — — — — +48 33.3% -2.17 — — — +0.26
18 1969 1674 127.4 — — — — — +49 -122 64.7% +1.25 2–1 (67%) — — +0.72 1975 1470 99.2 — — — — — +66 +18 37.5% -0.81 0–2 — — +0.89
19 1970 1727 133.7 — — — — — -29 -107 59.1% +0.75 2–6 (25%) — — -1.68 1976 1468 102.7 — — — — — — — 33.3% -0.67 — 1–2 (33%) — +0.39
20 1971 1827 139.8 — — — — — -118 0 59.3% +0.81 6–1 (86%) 1–0 — -2.27 1977 1501 105.5 — — — — +35 — -29 38.2% -1.03 3–1 (75%) — — +1.01
21 1972 1848 149.8 — — — — -200 -59 +3 61.1% +1.22 5–4 (56%) — — -3.87 1978 1492 105.3 — — — — — — -23 30.0% -1.80 1–1 1–0 — +0.14
22 1973 1826 145.5 — — — — -160 +61 +45 60.9% +0.99 10–5 (67%) 3–4 (43%) 104.0 +1.60 1979 1490 99.7 — — — — — +65 -26 41.9% -0.71 0–1 0–1 — +2.08
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 — — — — — — — — — — — — — — — —
Career — 1955 150.4 — — — — -131 +6 +3 61.3% +1.01 41–21 (66%) 11–8 (58%) 110.7 -3.61 — 1525 102.8 — — — — +35 +65 -3 37.4% -1.06 4–5 (44%) 2–3 (40%) 99.5 +9.00

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.