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

Kazuko Sawamatsu vs Julie Heldman H2H: 2-4

Julie Heldman holds a 4–2 lead over Kazuko Sawamatsu in their WTA head-to-head. Across 6 main-draw meetings, Julie Heldman leads 2–1 on clay and 2–1 on grass. Most recently, Kazuko Sawamatsu won the 1975 US Open round of 32 6-4 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
2 – 4
6 main-draw meetings
Julie Heldman
USA Age 80 Right-Handed 170 cm / 5'7"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kazuko Sawamatsu 6-4 6-1 Julie Heldman Match data Sep 2, 1975* R32 US Open Grand Slam Clay
Kazuko Sawamatsu 6-4 6-4 Julie Heldman Match data Jun 28, 1974* R64 Wimbledon Grand Slam Grass
Julie Heldman 6-2 6-3 Kazuko Sawamatsu Match data Jun 20, 1973* R64 London Rothmans WTA 250 Grass
Julie Heldman 6-4 6-1 Kazuko Sawamatsu Match data Jun 17, 1971* R32 Queen's Club Championships WTA 250 Grass
Julie Heldman 6-2 6-2 Kazuko Sawamatsu Match data Jul 27, 1968* SF Montana WTA 250 Clay
Julie Heldman 6-4 6-2 Kazuko Sawamatsu Match data Jul 20, 1968* SF Gstaad 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
Julie Heldman — — — 2,133 381 159 70.6% 0 0 0 0 21 21

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 Julie Heldman
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 1968 53–15 77.9% — 1,811 0 6
23 1974 37–20 64.9% — 1,900 0 8 1969 74–17 81.3% — 2,020 0 14
24 1975 23–10 69.7% — 1,954 0 9 1970 29–12 70.7% — 1,959 0 15
25 — — — — — — — 1971 41–23 64.1% — 2,031 0 16
26 — — — — — — — 1972 32–26 55.2% — 1,962 0 16
27 — — — — — — — 1973 68–31 68.7% — 2,074 0 19
28 — — — — — — — 1974 60–21 74.1% — 2,089 0 21
29 — — — — — — — 1975 24–14 63.2% — 1,995 0 21

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 Julie Heldman
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% — — — — — — — — — — — — — — — — —
22 1973 3 1 4 75.0% 18 8 26 69.2% 16 9 25 64.0% 1 3 4 25.0% 1968 8 3 11 72.7% 37 7 44 84.1% 5 3 8 62.5% 1 1 2 50.0%
23 1974 6 1 7 85.7% 11 9 20 55.0% 17 9 26 65.4% 3 1 4 75.0% 1969 13 3 16 81.3% 32 4 36 88.9% 9 4 13 69.2% 16 6 22 72.7%
24 1975 — — — — 19 7 26 73.1% 4 3 7 57.1% — — — — 1970 — — — — 19 6 25 76.0% 9 5 14 64.3% 1 1 2 50.0%
25 — — — — — — — — — — — — — — — — — 1971 6 3 9 66.7% 11 6 17 64.7% 11 4 15 73.3% 13 10 23 56.5%
26 — — — — — — — — — — — — — — — — — 1972 5 3 8 62.5% 6 6 12 50.0% 6 6 12 50.0% 15 11 26 57.7%
27 — — — — — — — — — — — — — — — — — 1973 10 4 14 71.4% 17 7 24 70.8% 24 6 30 80.0% 17 14 31 54.8%
28 — — — — — — — — — — — — — — — — — 1974 — — — — 24 10 34 70.6% 21 5 26 80.8% 15 6 21 71.4%
29 — — — — — — — — — — — — — — — — — 1975 4 3 7 57.1% 9 6 15 60.0% — — — — 11 5 16 68.8%
Career — 10 3 13 76.9% 88 50 138 63.8% 71 43 114 62.3% 7 4 11 63.6% — 46 19 65 70.8% 155 52 207 74.9% 85 33 118 72.0% 89 54 143 62.2%

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 Julie Heldman
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 1968 1811 138.4 — — — — -128 +140 -203 73.8% +2.05 10–3 (77%) — — -1.49
23 1974 1900 150.9 — — — — -79 -49 +35 61.7% +0.94 8–2 (80%) 4–3 (57%) 106.4 -3.51 1969 2021 153.7 — — — — +84 +69 -264 74.9% +2.13 16–5 (76%) — — -8.73
24 1975 1955 150.1 — — — — — +26 -50 64.9% +1.09 6–2 (75%) 3–1 (75%) 106.5 -0.94 1970 1960 152.1 — — — — — +143 -157 70.9% +1.83 3–5 (38%) — — -3.54
25 — — — — — — — — — — — — — — — — 1971 2032 159.2 — — — — +11 +32 -114 62.0% +1.18 10–8 (56%) 1–3 (25%) 97.7 -6.66
26 — — — — — — — — — — — — — — — — 1972 1963 153.4 — — — — +119 +20 -75 55.3% +0.34 7–9 (44%) 4–0 (100%) 98.9 -9.20
27 — — — — — — — — — — — — — — — — 1973 2075 159.9 — — — — -31 -45 +40 66.5% +1.41 12–9 (57%) 2–8 (20%) 97.9 -10.33
28 — — — — — — — — — — — — — — — — 1974 2090 159.9 — — — — -2 -3 +79 69.7% +1.48 11–6 (65%) 5–5 (50%) 102.8 -5.94
29 — — — — — — — — — — — — — — — — 1975 1995 149.5 — — — — +96 -22 — 59.0% +0.87 6–3 (67%) 2–2 (50%) 98.1 -3.41
Career — 1955 150.4 — — — — -131 +6 +3 61.3% +1.01 41–21 (66%) 11–8 (58%) 110.7 -3.61 — 2134 158.8 — — — — +33 +56 -56 67.3% +1.47 75–48 (61%) 14–18 (44%) 100.6 -9.28

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.