Yeonwoo Ku
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Elena-Gabriela Ruse | 0 | 1 | 1 | Sep 24, 2026 | H2H |
| Alevtina Ibragimova | 1 | 0 | 1 | Sep 22, 2026 | H2H |
| Lois Boisson | 0 | 1 | 1 | Sep 15, 2025 | H2H |
| Claire Liu | 0 | 1 | 1 | Oct 12, 2023 | H2H |
H2H data updated: 2026-10-08 00:00 UTC
Yeonwoo Ku vs Teodora Kostovic
Compare the head-to-head record, career totals, season-by-season performance, and match log for Yeonwoo Ku vs Teodora Kostovic.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H
0
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0 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Teodora Kostovic | 6-1 6-4 | Yeonwoo Ku | Match data | Jun 23, 2026 | Q1 | Wimbledon | Grand Slam | Grass |
1 qualifying meeting shown in the table; qualifying is excluded from the H2H score. 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yeonwoo Ku | #175 | #171 | 452 | 1,532 | 1 | 3 | 25.0% | 0 | 0 | 0 | 0 | 0 | 0 |
| Teodora Kostovic | #139 | #139 | 540 | 1,667 | 3 | 4 | 42.9% | 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 | Yeonwoo Ku | Teodora Kostovic | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | — | — | — | — | — | — | — | 2025 | 0–1 | 0.0% | #177 | 1,618 | 0 | 0 |
| 19 | — | — | — | — | — | — | — | 2026 | 3–3 | 50.0% | #139 | 1,640 | 0 | 0 |
| 20 | 2023 | 0–1 | 0.0% | — | 1,516 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 2025 | 0–1 | 0.0% | #192 | 1,487 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 2026 | 1–1 | 50.0% | #175 | 1,527 | 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 | Yeonwoo Ku | Teodora Kostovic | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1618 | 114.7 | -0.12 | -2.19 | 0.540 | 36.8% | — | — | — | 0.0% | -4.00 | — | — | — | +0.02 |
| 19 | 2022 | 1496 | 99.4 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1640 | 113.3 | +0.90 | +0.75 | 1.060 | 51.8% | -13 | — | — | 53.8% | +0.46 | 0–1 | — | — | +0.67 |
| 20 | 2023 | 1516 | 101.8 | -1.57 | -2.27 | 0.717 | 44.5% | — | — | — | 0.0% | -3.00 | — | — | — | +0.01 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2024 | 1514 | 98.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2025 | 1488 | 94.0 | -1.85 | +0.96 | 0.564 | 38.1% | — | — | — | 0.0% | -4.50 | — | — | — | +0.03 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2026 | 1528 | 108.4 | +0.43 | -0.54 | 1.128 | 52.5% | — | — | — | 60.0% | +1.00 | 0–1 | 0–1 | — | -0.09 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1532 | 102.5 | -0.64 | -0.60 | 0.859 | 46.9% | — | — | — | 33.3% | -1.11 | 0–1 | 0–1 | — | -1.25 | — | 1667 | 113.9 | +0.75 | +0.33 | 0.955 | 49.7% | -13 | — | — | 46.7% | -0.13 | 0–1 | — | — | +9.86 |
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.
Teodora Kostovic
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Kaitlin Quevedo | 0 | 1 | 1 | Sep 18, 2026 | H2H |
| Darja Semenistaja | 1 | 0 | 1 | Sep 16, 2026 | H2H |
| Victoria Luiza Barros | 1 | 0 | 1 | Sep 15, 2026 | H2H |
| Aryna Sabalenka | 0 | 1 | 1 | Jun 29, 2026 | H2H |
| Elizabeth Mandlik | 1 | 0 | 1 | May 19, 2026 | H2H |