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

Kaoru Okamoto vs Ann Devries H2H: 0-1

Ann Devries holds a 1–0 lead over Kaoru Okamoto in their WTA head-to-head. Across 1 main-draw meeting, Ann Devries leads 1–0 on grass. Most recently, Ann Devries won the 1987 Australian Open round of 128 6-2 2-6 6-4.

JPN Age 61 Right-Handed
H2H
0 1
1 main-draw meetings
BEL Age 56 Right-Handed 188 cm / 6'2"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ann Devries #175 6-2 2-6 6-4 Kaoru Okamoto #151 Match data Jan 14, 1987* R128 Australian Open Grand Slam 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
Kaoru Okamoto #225 #75 14 1,589 23 44 34.3% 0 0 0 1 0 1
Ann Devries #579 #77 10 1,619 35 54 39.3% 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 Kaoru Okamoto Ann Devries
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 1986 1–1 50.0% #174 1,517 0 0
17 1987 14–15 48.3% #100 1,564 0 0
18 1983 3–2 60.0% 1,473 0 0 1988 12–15 44.4% #78 1,582 0 0
19 1984 0–1 0.0% #189 1,465 0 0 1989 5–11 31.2% #145 1,551 0 0
20 1985 0–1 0.0% 1,449 0 0 1990 2–7 22.2% #204 1,513 0 0
21 1986 2–1 66.7% #151 1,479 0 0
22 1987 6–8 42.9% #107 1,542 0 0 1992 1–4 20.0% #144 1,477 0 0
23 1988 1–8 11.1% #208 1,495 0 0 1993 0–1 0.0% #486 1,467 0 0
24 1989 5–7 41.7% #115 1,507 0 1
25 1990 3–6 33.3% #165 1,496 0 1
26 1991 2–2 50.0% #183 1,534 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 Ann Devries
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% 1986 1 1 2 50.0%
17 1987 6 4 10 60.0% 5 7 12 41.7% 1 3 4 25.0% 2 1 3 66.7%
18 1983 2 1 3 66.7% 1988 9 8 17 52.9% 1 4 5 20.0% 2 3 5 40.0%
19 1984 0 1 1 0.0% 1989 4 8 12 33.3% 0 2 2 0.0% 1 1 2 50.0%
20 1990 0 2 2 0.0% 0 1 1 0.0% 2 1 3 66.7% 0 3 3 0.0%
21 1986 2 1 3 66.7%
22 1987 3 3 6 50.0% 0 1 1 0.0% 3 3 6 50.0% 0 1 1 0.0% 1992 1 2 3 33.3% 0 2 2 0.0%
23 1988 0 4 4 0.0% 0 1 1 0.0% 1 2 3 33.3% 0 1 1 0.0% 1993 0 1 1 0.0%
24 1989 5 2 7 71.4% 0 1 1 0.0% 0 3 3 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%
26 1991 2 1 3 66.7% 0 1 1 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% 20 24 44 45.5% 6 15 21 28.6% 6 10 16 37.5% 3 5 8 37.5%

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 Ann Devries
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 1986 1517 106.9 50.0% -0.67 1–1 1–0 +0.11
17 1987 1565 115.9 +64 -12 -8 47.8% -0.04 6–5 (55%) 0–4 (0%) 98.9 +2.76
18 1983 1474 101.6 +92 53.3% 0.00 3–2 (60%) 1–1 +0.60 1988 1583 110.2 +48 -75 -30 43.9% -0.58 7–5 (58%) 4–0 (100%) 105.3 +1.18
19 1984 1466 100.5 33.3% -0.67 0–1 -0.03 1989 1551 109.7 +31 31.6% -0.76 4–2 (67%) 0–3 (0%) 100.2 +0.61
20 1985 1450 92.5 0.0% -5.00 +0.04 1990 1514 103.7 -3 +87 37.5% -1.44 0–2 1–0 +0.28
21 1986 1480 106.1 +81 57.1% +1.43 1–0 0–2 +0.49
22 1987 1543 119.7 +26 +59 43.3% -0.07 1–1 0–3 (0%) +0.51 1992 1477 102.5 +22 27.3% -1.27 0–1 1–2 (33%) +0.61
23 1988 1496 101.8 -12 +74 20.0% -2.20 0–2 -0.11 1993 1467 99.8 0.0% -2.50 -0.05
24 1989 1508 102.8 +50 +5 42.3% -0.73 1–1 0–1 +1.66
25 1990 1496 100.2 +51 31.6% -1.11 1–0 0–1 +0.82
26 1991 1534 117.3 +41 50.0% +0.38 0–1 -0.21
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 1619 113.4 +41 -31 +7 41.3% -0.56 18–16 (53%) 7–9 (44%) 100.8 +6.18

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.