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

Marcela Bueno vs Kazuko Sawamatsu H2H: 1-0

Marcela Bueno holds a 1–0 lead over Kazuko Sawamatsu in their WTA head-to-head. Across 1 main-draw meeting, Marcela Bueno leads 1–0 on clay. Most recently, Marcela Bueno won the 1974 Tokyo Japan Open semifinal 6-3 6-4.

Brazil N/A 188 cm / 6'2"
H2H
1 0
1 main-draw meetings
JPN Age 75 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Marcela Bueno 6-3 6-4 Kazuko Sawamatsu Match data Oct 12, 1974* SF Tokyo Japan Open 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
Marcela Bueno 1,889 73 42 63.5% 0 0 0 0 3 3
Kazuko Sawamatsu 1,954 179 100 64.2% 0 0 0 1 8 9

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 Marcela Bueno Kazuko Sawamatsu
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
28 1968 36–8 81.8% 1,833 0 2
29 1969 3–1 75.0% 1,866 0 2
34 1974 6–2 75.0% 1,883 0 3
35 1975 8–11 42.1% 1,757 0 3
36 1976 10–10 50.0% 1,723 0 3
37 1977 10–10 50.0% 1,740 0 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 Marcela Bueno Kazuko Sawamatsu
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
28 1968 1833 137.3 -120 -289 +148 71.9% +1.68 11–1 (92%) -2.94
29 1969 1867 107.1 -66 100.0% +3.00 -0.15
34 1974 1883 124.6 -105 -236 65.0% +1.00 3–1 (75%) -0.22
35 1975 1757 118.9 +74 -160 50.0% -0.19 5–5 (50%) 4–1 (80%) 97.4 -0.10
36 1976 1723 117.3 +53 -142 +158 53.1% -0.12 5–6 (45%) 2–0 +0.90
37 1977 1741 128.2 0 -150 +162 53.5% +0.12 2–3 (40%) 1–0 +0.02
Career 1889 133.5 -22 -203 +153 61.7% +0.74 26–16 (62%) 7–1 (88%) 107.6 -2.26 1955 150.4 -131 +6 +3 61.3% +1.01 41–21 (66%) 11–8 (58%) 110.7 -3.61

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.