H2H data updated: 2026-09-14 00:00 UTC

Radomira Zrubakova vs Naoko Sawamatsu H2H: 1-0

Radomira Zrubakova holds a 1–0 lead over Naoko Sawamatsu in their WTA head-to-head. Across 1 main-draw meeting, Radomira Zrubakova leads 1–0 on clay. Most recently, Radomira Zrubakova won the 1992 Berlin Open round of 32 4-6 7-5 6-4.

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Radomira Zrubakova
SVK Age 55 Right-Handed 169 cm / 5'7"
H2H
1 – 0
1 main-draw meetings
Naoko Sawamatsu
JPN Age 53 Right-Handed 167 cm / 5'6"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Radomira Zrubakova #25 4-6 7-5 6-4 Naoko Sawamatsu #34 Match data May 14, 1992* R32 Berlin Open Tier I → modern equivalent WTA 1000 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
Radomira Zrubakova #788 #22 324 1,897 172 157 52.3% 0 0 0 0 3 3
Naoko Sawamatsu #266 #14 881 1,970 183 129 58.7% 0 0 0 0 4 4

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 Radomira Zrubakova Naoko Sawamatsu
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1987 4–4 50.0% #139 1,551 0 0 1989 0–2 0.0% #262 1,477 0 0
17 1988 27–16 62.8% #32 1,754 0 0 1990 14–6 70.0% #31 1,669 0 1
18 1989 22–13 62.9% #32 1,817 0 1 1991 21–16 56.8% #33 1,723 0 1
19 1990 16–18 47.1% #57 1,726 0 1 1992 23–13 63.9% #24 1,856 0 1
20 1991 33–20 62.3% #23 1,821 0 2 1993 24–13 64.9% #28 1,853 0 2
21 1992 30–19 61.2% #28 1,808 0 3 1994 24–12 66.7% #26 1,870 0 3
22 1993 12–21 36.4% #94 1,660 0 3 1995 22–13 62.9% #17 1,847 0 3
23 1994 8–11 42.1% #76 1,626 0 3 1996 19–17 52.8% #38 1,811 0 3
24 1995 8–12 40.0% #92 1,621 0 3 1997 24–19 55.8% #34 1,849 0 4
25 1996 6–12 33.3% #86 1,580 0 3 1998 12–18 40.0% #55 1,721 0 4
26 1997 6–11 35.3% #125 1,570 0 3 — — — — — — —

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 Radomira Zrubakova Naoko Sawamatsu
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 %
16 1987 0 1 1 0.0% 4 3 7 57.1% — — — — — — — — 1989 0 1 1 0.0% — — — — — — — — 0 1 1 0.0%
17 1988 10 7 17 58.8% 12 5 17 70.6% 3 3 6 50.0% 2 1 3 66.7% 1990 13 3 16 81.3% 1 1 2 50.0% 0 2 2 0.0% — — — —
18 1989 3 4 7 42.9% 17 6 23 73.9% 0 1 1 0.0% 2 2 4 50.0% 1991 13 10 23 56.5% 7 3 10 70.0% 1 2 3 33.3% 0 1 1 0.0%
19 1990 5 6 11 45.5% 8 7 15 53.3% 0 1 1 0.0% 3 4 7 42.9% 1992 13 7 20 65.0% 5 4 9 55.6% 3 1 4 75.0% 2 1 3 66.7%
20 1991 9 6 15 60.0% 17 8 25 68.0% 1 1 2 50.0% 6 5 11 54.5% 1993 12 8 20 60.0% 7 2 9 77.8% 4 2 6 66.7% 1 1 2 50.0%
21 1992 10 8 18 55.6% 18 8 26 69.2% 1 1 2 50.0% 1 2 3 33.3% 1994 15 7 22 68.2% 5 3 8 62.5% 4 2 6 66.7% — — — —
22 1993 6 10 16 37.5% 6 7 13 46.2% 0 1 1 0.0% 0 3 3 0.0% 1995 14 8 22 63.6% 4 3 7 57.1% 2 1 3 66.7% 2 1 3 66.7%
23 1994 5 6 11 45.5% 3 4 7 42.9% — — — — 0 1 1 0.0% 1996 11 11 22 50.0% 4 3 7 57.1% 2 2 4 50.0% 2 1 3 66.7%
24 1995 2 5 7 28.6% 4 6 10 40.0% 2 1 3 66.7% — — — — 1997 20 12 32 62.5% 0 3 3 0.0% 2 2 4 50.0% 2 2 4 50.0%
25 1996 1 3 4 25.0% 4 6 10 40.0% 0 1 1 0.0% 1 2 3 33.3% 1998 6 10 16 37.5% 3 5 8 37.5% 2 2 4 50.0% 1 1 2 50.0%
26 1997 0 3 3 0.0% 3 6 9 33.3% 2 1 3 66.7% 1 1 2 50.0% — — — — — — — — — — — — — — — — —
Career — 51 59 110 46.4% 96 66 162 59.3% 9 11 20 45.0% 16 21 37 43.2% — 117 77 194 60.3% 36 27 63 57.1% 20 16 36 55.6% 10 9 19 52.6%

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 Radomira Zrubakova Naoko 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
16 1987 1551 128.8 — — — — — +46 — 50.0% +0.39 1–1 — — -0.12 1989 1477 96.0 — — — — — — — 20.0% -2.20 0–1 — — +0.30
17 1988 1755 142.5 — — — — -102 +25 -148 60.6% +0.79 5–5 (50%) 6–3 (67%) 104.8 +1.58 1990 1669 124.7 — — — — +57 — — 62.5% +0.77 6–2 (75%) 5–1 (83%) 110.2 +1.75
18 1989 1818 142.1 — — — — -141 +88 — 61.3% +0.67 5–4 (56%) 6–1 (86%) 105.6 -0.56 1991 1724 133.2 — — — — -8 -44 -170 55.4% +0.49 5–6 (45%) 1–1 — +2.14
19 1990 1727 127.9 — — — — -47 +81 — 46.6% -0.18 3–2 (60%) 2–0 — -0.25 1992 1857 143.8 — — — — -17 -155 -248 60.7% +0.42 7–5 (58%) 4–2 (67%) 104.0 -0.25
20 1991 1822 142.1 — — — — -85 +131 — 57.5% +0.46 11–3 (79%) 10–6 (63%) 107.8 -1.23 1993 1853 139.0 — — — — -68 -33 -152 62.1% +0.86 7–6 (54%) 2–0 — +0.17
21 1992 1808 146.0 — — — — -49 +128 — 59.1% +0.78 7–7 (50%) 3–3 (50%) 97.2 -0.75 1994 1871 146.2 — — — — -20 -58 -130 60.7% +1.00 9–3 (75%) 4–3 (57%) 106.5 -0.99
22 1993 1661 129.8 — — — — -23 +200 — 35.7% -1.37 3–3 (50%) 2–1 (67%) — -2.41 1995 1848 150.6 — — — — +59 -74 -92 58.6% +0.48 10–7 (59%) 6–3 (67%) 103.1 +1.09
23 1994 1627 124.9 — — — — -12 +175 — 48.9% +0.02 1–6 (14%) 1–0 — +0.57 1996 1812 145.0 — — — — +5 +4 -6 53.2% +0.02 5–6 (45%) 3–2 (60%) 97.8 -0.27
24 1995 1621 116.1 — — — — -53 +137 -20 38.1% -1.02 2–0 2–0 — +0.35 1997 1850 153.6 — — — — +44 -92 -62 54.0% +0.35 10–6 (63%) 5–5 (50%) 103.9 -1.59
25 1996 1580 119.9 — — — — -18 +127 — 36.6% -1.10 2–3 (40%) — — +0.43 1998 1721 125.2 — — — — +37 -25 +64 40.5% -0.62 8–6 (57%) 1–1 — -0.88
26 1997 1571 121.0 — — — — -12 +79 +77 40.5% -0.65 0–3 (0%) 3–2 (60%) 96.1 -0.10 — — — — — — — — — — — — — — — —
Career — 1897 142.1 — — — — -60 +110 -60 51.4% +0.07 40–37 (52%) 35–16 (69%) 107.2 -0.76 — 1971 148.7 — — — — +11 -58 -103 56.1% +0.40 67–48 (58%) 31–18 (63%) 109.3 +0.47

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.