Player data updated: 2026-09-01 02:16 UTC
Yukie Koizumi
Yukie Koizumi represented Japan on the WTA Tour. In TennisDB's records, Yukie Koizumi finished with a career record of 10–22 and no singles titles. Weekly WTA ranking coverage before 1984 is incomplete outside audited No. 1 and year-end Top 10 anchors.
Peak ranking
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Elo peak
1503 (6th percentile)
Career record
10–22 (31.2%)
Career titles
0
Prize money
$61,911
Records cover recorded main-draw singles results in TennisDB's WTA event archive, including credited walkovers; qualifying is shown separately below.
WTA Matches full match log →
| Opponent | Score | Result | H2H | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Kathy Rinaldi Stunkel | 5-7 2-6 | L | H2H | Match data | Feb 2, 1991* | R16 | Tokyo Pan Pacific | WTA 500 | Carpet |
| Maya Kidowaki | 2-6 2-6 | L | H2H | Match data | Apr 26, 1990* | R32 | Singapore Tennis Open | WTA 250 | Hard |
| Belinda Borneo | 6-4 4-6 6-3 | W | H2H | Match data | Apr 25, 1990* | R64 | Singapore Tennis Open | WTA 250 | Hard |
| Jana Novotna | 0-6 0-6 | L | H2H | Match data | Feb 26, 1990 | R32 | Indian Wells Open | WTA 500 | Hard |
| Hu Na | 6-4 4-6 6-2 | W | H2H | Match data | Feb 26, 1990 | R64 | Indian Wells Open | WTA 500 | Hard |
Rivals all rivalries →
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Maya Kidowaki | 0 | 2 | 2 | Apr 26, 1990 | H2H |
| Heather Ludloff | 1 | 1 | 2 | Apr 28, 1989 | H2H |
| Myriam Schropp | 1 | 1 | 2 | Jan 14, 1987 | H2H |
| Kathy Rinaldi Stunkel | 0 | 1 | 1 | Feb 2, 1991 | H2H |
| Belinda Borneo | 1 | 0 | 1 | Apr 25, 1990 | H2H |
Career Results
Career Results by Surface
| Season | Age | Hard | Clay | Grass | Carpet | Total | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 1980 | 22 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 1985 | 27 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 1987 | 29 | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% | 1 | 1 | 2 | 50.0% | 3 | 4 | 7 | 42.9% |
| 1988 | 30 | 2 | 4 | 6 | 33.3% | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 50.0% | 3 | 5 | 8 | 37.5% |
| 1989 | 31 | 2 | 6 | 8 | 25.0% | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 6 | 8 | 25.0% |
| 1990 | 32 | 2 | 4 | 6 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 4 | 6 | 33.3% |
| 1991 | 33 | — | — | — | — | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% |
| Career | — | 7 | 17 | 24 | 29.2% | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% | 2 | 3 | 5 | 40.0% | 10 | 22 | 32 | 31.2% |
Career Results by Opponent Rank
| Season | Age | 1-10 | 11-30 | 31-100 | 100+ | Total | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 1987 | 29 | 0 | 1 | 1 | 0.0% | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | 0 | 4 | 4 | 0.0% |
| 1988 | 30 | 0 | 0 | — | — | 0 | 0 | — | — | 1 | 2 | 3 | 33.3% | 1 | 0 | 1 | 100.0% | 2 | 2 | 4 | 50.0% |
| 1989 | 31 | 0 | 0 | — | — | 1 | 0 | 1 | 100.0% | 0 | 3 | 3 | 0.0% | 0 | 1 | 1 | 0.0% | 1 | 4 | 5 | 20.0% |
| 1990 | 32 | 0 | 0 | — | — | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | 0 | 4 | 4 | 0.0% |
| Career | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% | 1 | 7 | 8 | 12.5% | 1 | 5 | 6 | 16.7% | 3 | 14 | 17 | 17.6% | |
Opponent ranking data available for 17/32 (53.1%) of Yukie Koizumi's WTA main draw matches.
Advanced Stats
| Season | Age | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1980 | 22 | 1487 | 97.4 | — | — | — | — | — | — | — | 33.3% | -0.67 | 0–1 | — | — | +0.06 |
| 1985 | 27 | 1473 | 98.8 | — | — | — | — | — | — | — | 33.3% | -0.67 | 0–1 | — | — | +0.19 |
| 1987 | 29 | 1481 | 106.2 | — | — | — | — | +53 | — | — | 40.0% | -0.07 | 1–0 | 0–2 | — | +1.04 |
| 1988 | 30 | 1474 | 93.5 | — | — | — | — | +18 | — | — | 38.9% | -1.11 | 1–1 | 1–2 (33%) | — | +0.84 |
| 1989 | 31 | 1447 | 100.6 | — | — | — | — | +12 | — | — | 26.3% | -1.00 | 2–1 (67%) | — | — | +0.71 |
| 1990 | 32 | 1441 | 88.9 | — | — | — | — | +16 | — | — | 28.6% | -2.00 | 2–0 | 0–1 | — | +0.81 |
| 1991 | 33 | 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 |
Tournament Results by Category
Grand Slams
| Season | Age | AO | W-L Win % |
|---|---|---|---|
| 1987 | 29 | R64 | 1–1 (50%) |
| 1988 | 30 | R128 | 0–1 (0%) |
| 1989 | 31 | R64 | 1–1 (50%) |
| W-L | 2–3 (40%) |
2–3 (40%) |
WTA 500
| Season | Age | IW | TKY | KEY | W-L Win % |
|---|---|---|---|---|---|
| 1988 | 30 | — | — | R64 | 1–1 (50%) |
| 1990 | 32 | R32 | — | — | 1–1 (50%) |
| 1991 | 33 | — | R16 | — | 0–1 (0%) |
| W-L | 1–1 (50%) | 0–1 (0%) | 1–1 (50%) |
2–3 (40%) |
WTA 250
| Season | Age | ASB | BRI | NAP | TKY | KNO | NAS | OKL | SAN | SIN | TAI | WEL | W-L Win % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1980 | 22 | — | — | — | R32 | — | — | — | — | — | — | — | 0–1 (0%) |
| 1985 | 27 | — | — | — | R32 | — | — | — | — | — | — | — | 0–1 (0%) |
| 1987 | 29 | R32 | — | — | — | R32 | — | — | — | — | R16 | — | 2–3 (40%) |
| 1988 | 30 | R32 | — | — | — | — | — | — | — | — | R16 | R64 | 2–3 (40%) |
| 1989 | 31 | — | — | R32 | — | — | R32 | R32 | R32 | — | R16 | — | 1–5 (17%) |
| 1990 | 32 | — | R64 | — | — | — | — | — | — | R32 | — | R32 | 1–3 (25%) |
| W-L | 2–2 (50%) | 0–1 (0%) | 0–1 (0%) | 0–2 (0%) | 0–1 (0%) | 0–1 (0%) | 0–1 (0%) | 0–1 (0%) | 1–1 (50%) | 3–3 (50%) | 0–2 (0%) |
6–16 (27%) |
Results show the best round reached per tournament and season.
WTA Ranking History full ranking history →
Career high
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Career-high date
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First Top 100
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First Top 50
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First Top 20
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First Top 10
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Ranking History Matrix
No ranking history available.
Data coverage: Weekly WTA ranking snapshots are unavailable before 1984. Audited official No. 1 change dates and year-end Top 10 ranks are included, but weekly counts and ranks outside those anchors remain incomplete.
Frequently Asked Questions
- How old is Yukie Koizumi?
- Yukie Koizumi is 68 years old, born on January 24, 1958.
- Which country does Yukie Koizumi represent?
- Yukie Koizumi represents Japan in TennisDB's WTA records.
- How many Grand Slams has Yukie Koizumi won?
- Yukie Koizumi has not won a Grand Slam title.
- How many WTA 1000 titles has Yukie Koizumi won?
- TennisDB does not group any of Yukie Koizumi's titles under the modern WTA 1000 category.
- What is Yukie Koizumi's career win-loss record?
- Yukie Koizumi has a career WTA singles record of 10 wins and 22 losses (31.2%).
- How much career prize money has Yukie Koizumi earned?
- Yukie Koizumi has earned at least $61,911 in career prize money from professional tennis.
- Which seasons of Yukie Koizumi's career appear in TennisDB?
- Yukie Koizumi appears in TennisDB's WTA main-tour match records from 1980 through 1991.
- On which surface does Yukie Koizumi have the highest recorded win rate?
- Among surfaces with at least 20 recorded matches, Yukie Koizumi's highest WTA main-draw win rate is on hard: 29.2% (7–17).
- Who has Yukie Koizumi faced most often?
- Yukie Koizumi's most frequent opponent is Maya Kidowaki, with a head-to-head record of 0–2 across 2 meetings.