H2H data updated: 2026-09-12 00:00 UTC

Kaoru Okamoto vs Beth Herr H2H: 0-1

Beth Herr holds a 1–0 lead over Kaoru Okamoto in their WTA head-to-head. Across 1 main-draw meeting, Beth Herr leads 1–0 on hard courts. Most recently, Beth Herr won the 1986 Tokyo Japan Open quarterfinal 7-6 6-4.

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Kaoru Okamoto
JPN Age 61 Right-Handed
H2H
0 – 1
1 main-draw meetings
Beth Herr
USA Age 62 Right-Handed 170 cm / 5'7"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Beth Herr #60 7-6 6-4 Kaoru Okamoto #209 Match data Oct 18, 1986* QF Tokyo Japan Open WTA 250 Hard

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
Kaoru Okamoto #225 #75 14 1,589 23 44 34.3% 0 0 0 1 0 1
Beth Herr #424 #31 18 1,766 107 128 45.5% 0 0 0 0 1 1

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 Kaoru Okamoto Beth Herr
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
13 1978 0–1 0.0% — 1,483 0 0 — — — — — — —
15 1980 0–2 0.0% — 1,466 0 0 — — — — — — —
16 1981 0–3 0.0% — 1,441 0 0 — — — — — — —
17 — — — — — — — 1981 0–4 0.0% — 1,483 0 0
18 1983 3–2 60.0% — 1,473 0 0 1982 8–5 61.5% — 1,625 0 0
19 1984 0–1 0.0% #189 1,465 0 0 1983 19–18 51.4% — 1,702 0 0
20 1985 0–1 0.0% — 1,449 0 0 1984 20–21 48.8% #39 1,699 0 0
21 1986 2–1 66.7% #151 1,479 0 0 1985 17–23 42.5% #47 1,630 0 0
22 1987 6–8 42.9% #107 1,542 0 0 1986 22–15 59.5% #52 1,707 0 1
23 1988 1–8 11.1% #208 1,495 0 0 1987 7–16 30.4% #126 1,583 0 1
24 1989 5–7 41.7% #115 1,507 0 1 1988 5–10 33.3% #98 1,544 0 1
25 1990 3–6 33.3% #165 1,496 0 1 1989 9–14 39.1% #132 1,539 0 1
26 1991 2–2 50.0% #183 1,534 0 1 1990 0–2 0.0% #373 1,518 0 1
27 1992 1–2 33.3% #225 1,535 0 1 — — — — — — —

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 Kaoru Okamoto Beth Herr
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 %
13 1978 — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
15 1980 — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
16 1981 0 2 2 0.0% — — — — — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
17 — — — — — — — — — — — — — — — — — 1981 0 1 1 0.0% — — — — — — — — 0 3 3 0.0%
18 1983 2 1 3 66.7% — — — — — — — — — — — — 1982 7 3 10 70.0% 1 2 3 33.3% — — — — — — — —
19 1984 0 1 1 0.0% — — — — — — — — — — — — 1983 4 4 8 50.0% 6 5 11 54.5% 5 5 10 50.0% 4 4 8 50.0%
20 — — — — — — — — — — — — — — — — — 1984 13 5 18 72.2% 2 5 7 28.6% 1 3 4 25.0% 4 8 12 33.3%
21 1986 2 1 3 66.7% — — — — — — — — — — — — 1985 11 13 24 45.8% 6 7 13 46.2% 0 3 3 0.0% — — — —
22 1987 3 3 6 50.0% 0 1 1 0.0% 3 3 6 50.0% 0 1 1 0.0% 1986 17 8 25 68.0% 0 3 3 0.0% 0 1 1 0.0% 5 3 8 62.5%
23 1988 0 4 4 0.0% 0 1 1 0.0% 1 2 3 33.3% 0 1 1 0.0% 1987 3 7 10 30.0% 0 3 3 0.0% 3 3 6 50.0% 1 3 4 25.0%
24 1989 5 2 7 71.4% 0 1 1 0.0% 0 3 3 0.0% 0 1 1 0.0% 1988 5 8 13 38.5% 0 1 1 0.0% 0 1 1 0.0% — — — —
25 1990 3 2 5 60.0% 0 1 1 0.0% 0 1 1 0.0% 0 2 2 0.0% 1989 9 12 21 42.9% 0 1 1 0.0% 0 1 1 0.0% — — — —
26 1991 2 1 3 66.7% — — — — — — — — 0 1 1 0.0% 1990 — — — — 0 2 2 0.0% — — — — — — — —
27 1992 — — — — — — — — — — — — 1 2 3 33.3% — — — — — — — — — — — — — — — — —
Career — 17 17 34 50.0% 0 6 6 0.0% 4 9 13 30.8% 1 9 10 10.0% — 69 61 130 53.1% 15 29 44 34.1% 9 17 26 34.6% 14 21 35 40.0%

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 Kaoru Okamoto Beth Herr
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
13 1978 1484 94.1 — — — — — — — 0.0% -4.50 — — — +0.24 — — — — — — — — — — — — — — — —
15 1980 1466 98.1 — — — — — — — 0.0% -4.00 — — — -0.26 — — — — — — — — — — — — — — — —
16 1981 1441 93.7 — — — — +118 — — 14.3% -3.00 0–1 0–1 — +0.23 — — — — — — — — — — — — — — — —
17 — — — — — — — — — — — — — — — — 1981 1483 116.0 — — — — +92 — — 11.1% -2.44 0–1 0–1 — -0.22
18 1983 1474 101.6 — — — — +92 — — 53.3% 0.00 3–2 (60%) 1–1 — +0.60 1982 1626 130.3 — — — — +65 -105 — 58.6% +0.48 2–1 (67%) 1–0 — +0.21
19 1984 1466 100.5 — — — — — — — 33.3% -0.67 0–1 — — -0.03 1983 1703 130.1 — — — — +4 -34 -74 52.2% +0.27 7–9 (44%) 5–4 (56%) 101.7 +0.51
20 1985 1450 92.5 — — — — — — — 0.0% -5.00 — — — +0.04 1984 1699 124.5 — — — — +40 -72 -81 47.9% -0.17 9–7 (56%) 3–3 (50%) 103.5 +0.62
21 1986 1480 106.1 — — — — +81 — — 57.1% +1.43 1–0 0–2 — +0.49 1985 1630 116.2 — — — — +40 -30 -81 41.3% -0.46 8–4 (67%) 6–0 (100%) 107.3 +1.50
22 1987 1543 119.7 — — — — +26 — +59 43.3% -0.07 1–1 0–3 (0%) — +0.51 1986 1707 128.7 — — — — +52 -147 — 60.5% +0.78 2–7 (22%) 5–3 (63%) 95.2 +4.62
23 1988 1496 101.8 — — — — -12 — +74 20.0% -2.20 0–2 — — -0.11 1987 1583 108.5 — — — — +35 -89 -19 34.7% -0.98 2–3 (40%) 1–1 — +1.29
24 1989 1508 102.8 — — — — +50 — +5 42.3% -0.73 1–1 0–1 — +1.66 1988 1544 102.6 — — — — +15 — — 36.8% -0.76 4–6 (40%) 0–1 — +0.77
25 1990 1496 100.2 — — — — +51 — — 31.6% -1.11 1–0 0–1 — +0.82 1989 1540 114.6 — — — — +18 — — 43.6% -0.47 3–6 (33%) 1–3 (25%) — +1.57
26 1991 1534 117.3 — — — — +41 — — 50.0% +0.38 — 0–1 — -0.21 1990 1519 101.1 — — — — — — — 20.0% -2.20 0–1 0–1 — -0.16
27 1992 1536 100.8 — — — — +39 — — 28.6% -2.00 1–0 1–1 — +0.29 — — — — — — — — — — — — — — — —
51 2016 1516 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 1590 107.9 — — — — +47 — +49 36.0% -0.97 8–8 (50%) 2–11 (15%) 94.2 +6.37 — 1766 126.0 — — — — +36 -57 -62 46.7% -0.17 37–45 (45%) 22–17 (56%) 102.6 +4.60

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.