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

Ann Devries vs Yukie Koizumi H2H: 1-0

Ann Devries holds a 1–0 lead over Yukie Koizumi in their WTA head-to-head. Across 1 main-draw meeting, Ann Devries leads 1–0 on clay. Most recently, Ann Devries won the 1987 Knokke round of 32 6-1 6-4.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Ann Devries
BEL Age 56 Right-Handed 188 cm / 6'2"
H2H
1 – 0
1 main-draw meetings
Yukie Koizumi
JPN Age 68

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ann Devries #115 6-1 6-4 Yukie Koizumi Match data Jul 9, 1987* R32 Knokke 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
Ann Devries #579 #77 10 1,619 35 54 39.3% 0 0 0 0 0 0
Yukie Koizumi — — — 1,503 10 22 31.2% 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 Ann Devries Yukie Koizumi
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1986 1–1 50.0% #174 1,517 0 0 — — — — — — —
17 1987 14–15 48.3% #100 1,564 0 0 — — — — — — —
18 1988 12–15 44.4% #78 1,582 0 0 — — — — — — —
19 1989 5–11 31.2% #145 1,551 0 0 — — — — — — —
20 1990 2–7 22.2% #204 1,513 0 0 — — — — — — —
22 1992 1–4 20.0% #144 1,477 0 0 1980 0–1 0.0% — 1,487 0 0
23 1993 0–1 0.0% #486 1,467 0 0 — — — — — — —
27 — — — — — — — 1985 0–1 0.0% — 1,473 0 0
29 — — — — — — — 1987 3–4 42.9% — 1,480 0 0
30 — — — — — — — 1988 3–5 37.5% — 1,473 0 0
31 — — — — — — — 1989 2–6 25.0% — 1,447 0 0
32 — — — — — — — 1990 2–4 33.3% — 1,440 0 0
33 — — — — — — — 1991 0–1 0.0% — 1,434 0 0

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 Ann Devries Yukie Koizumi
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 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 1988 9 8 17 52.9% 1 4 5 20.0% 2 3 5 40.0% — — — — — — — — — — — — — — — — — — — — —
19 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% — — — — — — — — — — — — — — — — —
22 1992 1 2 3 33.3% — — — — 0 2 2 0.0% — — — — 1980 0 1 1 0.0% — — — — — — — — — — — —
23 1993 — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
27 — — — — — — — — — — — — — — — — — 1985 0 1 1 0.0% — — — — — — — — — — — —
29 — — — — — — — — — — — — — — — — — 1987 1 1 2 50.0% 0 1 1 0.0% 1 1 2 50.0% 1 1 2 50.0%
30 — — — — — — — — — — — — — — — — — 1988 2 4 6 33.3% — — — — — — — — 1 1 2 50.0%
31 — — — — — — — — — — — — — — — — — 1989 2 6 8 25.0% — — — — — — — — — — — —
32 — — — — — — — — — — — — — — — — — 1990 2 4 6 33.3% — — — — — — — — — — — —
33 — — — — — — — — — — — — — — — — — 1991 — — — — — — — — — — — — 0 1 1 0.0%
Career — 20 24 44 45.5% 6 15 21 28.6% 6 10 16 37.5% 3 5 8 37.5% — 7 17 24 29.2% 0 1 1 0.0% 1 1 2 50.0% 2 3 5 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 Ann Devries Yukie Koizumi
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 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 1988 1583 110.2 — — — — +48 -75 -30 43.9% -0.58 7–5 (58%) 4–0 (100%) 105.3 +1.18 — — — — — — — — — — — — — — — —
19 1989 1551 109.7 — — — — +31 — — 31.6% -0.76 4–2 (67%) 0–3 (0%) 100.2 +0.61 — — — — — — — — — — — — — — — —
20 1990 1514 103.7 — — — — -3 — +87 37.5% -1.44 0–2 1–0 — +0.28 — — — — — — — — — — — — — — — —
22 1992 1477 102.5 — — — — +22 — — 27.3% -1.27 0–1 1–2 (33%) — +0.61 1980 1487 97.4 — — — — — — — 33.3% -0.67 0–1 — — +0.06
23 1993 1467 99.8 — — — — — — — 0.0% -2.50 — — — -0.05 — — — — — — — — — — — — — — — —
27 — — — — — — — — — — — — — — — — 1985 1473 98.8 — — — — — — — 33.3% -0.67 0–1 — — +0.19
29 — — — — — — — — — — — — — — — — 1987 1481 106.2 — — — — +53 — — 40.0% -0.07 1–0 0–2 — +1.04
30 — — — — — — — — — — — — — — — — 1988 1474 93.5 — — — — +18 — — 38.9% -1.11 1–1 1–2 (33%) — +0.84
31 — — — — — — — — — — — — — — — — 1989 1447 100.6 — — — — +12 — — 26.3% -1.00 2–1 (67%) — — +0.71
32 — — — — — — — — — — — — — — — — 1990 1441 88.9 — — — — +16 — — 28.6% -2.00 2–0 0–1 — +0.81
33 — — — — — — — — — — — — — — — — 1991 1435 102.4 — — — — — — — 0.0% -3.00 — — — +0.10
Career — 1619 113.4 — — — — +41 -31 +7 41.3% -0.56 18–16 (53%) 7–9 (44%) 100.8 +6.18 — 1503 96.3 — — — — +21 — — 32.4% -1.05 6–4 (60%) 1–5 (17%) 100.2 +11.72

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.