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

Yukie Koizumi vs Jonna Jonerup H2H: 1-0

Yukie Koizumi holds a 1–0 lead over Jonna Jonerup in their WTA head-to-head. Across 1 main-draw meeting, Yukie Koizumi leads 1–0 on hard courts. Most recently, Yukie Koizumi won the 1989 Taipei round of 32 4-6 6-2 6-1.

H2H
1 0
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Yukie Koizumi 4-6 6-2 6-1 Jonna Jonerup Match data Apr 27, 1989* R32 Taipei 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
Yukie Koizumi 1,503 10 22 31.2% 0 0 0 0 0 0
Jonna Jonerup 1,500 4 14 22.2% 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 Yukie Koizumi Jonna Jonerup
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1987 0–1 0.0% 1,484 0 0
18 1988 4–8 33.3% 1,475 0 0
19 1989 0–5 0.0% 1,403 0 0
22 1980 0–1 0.0% 1,487 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

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 Yukie Koizumi Jonna Jonerup
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 1987 1484 98.9 0.0% -1.50 0–1 +0.22
18 1988 1476 106.9 +87 -19 33.3% -1.33 0–2 2–1 (67%) +0.97
19 1989 1404 81.9 +65 16.7% -2.75 0–2 +1.03
22 1980 1487 97.4 33.3% -0.67 0–1 +0.06
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 1503 96.3 +21 32.4% -1.05 6–4 (60%) 1–5 (17%) 100.2 +11.72 1500 96.2 +79 -19 26.3% -1.79 0–4 (0%) 2–2 (50%) 94.3 +13.06

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.