H2H data updated: 2026-09-13 00:00 UTC
Hailey Baptiste holds a 1–0 lead over Teodora Kostovic in their WTA head-to-head. Across 1 main-draw meeting, Hailey Baptiste leads 1–0 on hard courts. Most recently, Hailey Baptiste won the 2026 Abu Dhabi Open first round 4-6 6-3 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.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Hailey Baptiste | 4-6 6-3 6-4 | Teodora Kostovic | Match data | Feb 1, 2026 | R32 | Abu Dhabi Open | WTA 500 | Hard |
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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hailey Baptiste | #37 | #25 | 1,747 | 1,880 | 55 | 61 | 47.4% | 0 | 0 | 0 | 0 | 0 | 0 |
| Teodora Kostovic | #171 | #146 | 529 | 1,667 | 1 | 3 | 25.0% | 0 | 0 | 0 | 0 | 0 | 0 |
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 | Hailey Baptiste | Teodora Kostovic | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | 2019 | 1–1 | 50.0% | #231 | 1,526 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 2020 | 0–1 | 0.0% | #232 | 1,493 | 0 | 0 | 2025 | 0–1 | 0.0% | #177 | 1,618 | 0 | 0 |
| 19 | 2021 | 3–6 | 33.3% | #168 | 1,526 | 0 | 0 | 2026 | 1–2 | 33.3% | #171 | 1,590 | 0 | 0 |
| 20 | 2022 | 3–7 | 30.0% | #166 | 1,558 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 2023 | 4–4 | 50.0% | #131 | 1,614 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 2024 | 7–12 | 36.8% | #92 | 1,704 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 2025 | 20–19 | 51.3% | #61 | 1,717 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 2026 | 17–11 | 60.7% | #37 | 1,856 | 0 | 0 | — | — | — | — | — | — | — |
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 | Hailey Baptiste | Teodora Kostovic | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Yr | Hard | Clay | Grass | |||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |||
| 17 | 2019 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 2020 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 2025 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 19 | 2021 | 1 | 3 | 4 | 25.0% | 2 | 2 | 4 | 50.0% | 0 | 1 | 1 | 0.0% | 2026 | 0 | 1 | 1 | 0.0% | 1 | 0 | 1 | 100.0% | 0 | 1 | 1 | 0.0% |
| 20 | 2022 | 2 | 5 | 7 | 28.6% | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2023 | 3 | 3 | 6 | 50.0% | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2024 | 5 | 9 | 14 | 35.7% | 2 | 3 | 5 | 40.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2025 | 10 | 13 | 23 | 43.5% | 8 | 5 | 13 | 61.5% | 2 | 1 | 3 | 66.7% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2026 | 10 | 6 | 16 | 62.5% | 7 | 5 | 12 | 58.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 32 | 41 | 73 | 43.8% | 21 | 18 | 39 | 53.8% | 2 | 2 | 4 | 50.0% | — | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 110/118 of Hailey Baptiste's and 4/4 of Teodora Kostovic's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.
| Age | Hailey Baptiste | Teodora Kostovic | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% | Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% | |
| 17 | 2019 | 2/2 | 4.0 | 5.0 | 55.9% | 70.6% | 51.3% | 70.6% | 24.7% | 62.2% | 38.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 18 | 2020 | 1/1 | 1.0 | 3.0 | 57.1% | 40.6% | 33.3% | 30.0% | 50.0% | 37.5% | 42.2% | 2025 | 1/1 | 1.0 | 4.0 | 63.5% | 42.5% | 34.8% | 40.0% | 50.0% | 39.7% | 32.6% |
| 19 | 2021 | 9/9 | 4.7 | 5.6 | 52.9% | 67.8% | 48.7% | 48.2% | 39.2% | 58.8% | 40.2% | 2026 | 3/3 | 3.0 | 2.0 | 62.3% | 67.4% | 44.7% | 61.5% | 72.2% | 58.9% | 41.7% |
| 20 | 2022 | 10/10 | 4.3 | 3.9 | 56.5% | 64.8% | 45.1% | 49.9% | 47.2% | 56.3% | 39.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 21 | 2023 | 8/8 | 2.3 | 6.0 | 48.5% | 71.3% | 45.4% | 37.4% | 43.5% | 57.8% | 40.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 22 | 2024 | 19/19 | 3.6 | 5.2 | 54.8% | 69.3% | 45.5% | 60.7% | 46.3% | 58.8% | 39.2% | — | —/— | — | — | — | — | — | — | — | — | — |
| 23 | 2025 | 33/39 | 4.2 | 4.1 | 56.4% | 68.5% | 47.8% | 52.4% | 38.7% | 59.5% | 40.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 24 | 2026 | 28/30 | 4.6 | 3.5 | 57.5% | 67.7% | 52.2% | 52.4% | 43.8% | 61.3% | 41.1% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 110/117 | 4.1 | 4.4 | 55.5% | 68.0% | 48.1% | 52.3% | 42.3% | 59.2% | 40.4% | — | 4/4 | 2.5 | 2.5 | 62.6% | 61.2% | 42.2% | 56.1% | 66.7% | 54.1% | 39.4% |
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 | Hailey Baptiste | 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 | |
| 17 | 2019 | 1526 | 111.6 | +1.91 | +0.85 | 1.014 | 50.5% | — | — | — | 60.0% | +0.40 | 0–1 | 1–0 | — | -0.30 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 2020 | 1493 | 101.0 | -2.07 | -2.55 | 0.675 | 40.0% | — | — | — | 0.0% | -3.00 | — | — | — | -0.05 | 2025 | 1618 | 114.7 | -0.12 | -2.19 | 0.540 | 36.8% | — | — | — | 0.0% | -4.00 | — | — | — | +0.02 |
| 19 | 2021 | 1526 | 112.8 | +1.14 | -1.64 | 0.974 | 49.4% | -42 | 0 | — | 44.4% | -0.17 | 0–2 | — | — | -0.22 | 2026 | 1590 | 112.1 | +0.08 | +2.52 | 1.015 | 51.5% | — | — | — | 42.9% | -0.29 | 0–1 | — | — | +0.17 |
| 20 | 2022 | 1559 | 109.9 | -0.34 | -2.18 | 0.892 | 48.0% | -57 | -3 | — | 43.5% | -0.56 | 1–4 (20%) | 2–1 (67%) | 98.3 | -0.28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2023 | 1614 | 123.4 | -0.47 | +0.83 | 0.968 | 49.1% | -21 | — | — | 44.4% | -0.50 | 2–0 | 2–1 (67%) | — | +0.47 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2024 | 1704 | 130.6 | +1.30 | -2.34 | 0.952 | 49.3% | +28 | -120 | — | 38.6% | -0.20 | 3–3 (50%) | 1–9 (10%) | 96.9 | -0.16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2025 | 1718 | 136.0 | +2.41 | -1.34 | 1.007 | 50.1% | -43 | +30 | -155 | 51.0% | +0.14 | 10–10 (50%) | 10–5 (67%) | 105.5 | -0.32 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2026 | 1857 | 151.5 | +3.74 | -0.22 | 1.064 | 51.2% | -35 | -29 | — | 57.1% | +0.44 | 10–6 (63%) | 5–7 (42%) | 104.5 | +0.19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1881 | 137.1 | +1.94 | -1.14 | 0.990 | 49.8% | -26 | -15 | -155 | 48.9% | +0.02 | 26–26 (50%) | 21–23 (48%) | 104.5 | -0.58 | — | 1667 | 113.3 | +0.03 | +1.34 | 0.859 | 47.8% | — | — | — | 33.3% | -1.11 | 0–1 | — | — | +4.75 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Madison Keys | 1 | 3 | 4 | Jun 2, 2025 | H2H |
| Elina Svitolina | 1 | 2 | 3 | May 10, 2026 | H2H |
| Jasmine Paolini | 2 | 1 | 3 | Apr 25, 2026 | H2H |
| Renata Zarazua | 1 | 2 | 3 | Apr 1, 2026 | H2H |
| Liudmila Samsonova | 3 | 0 | 3 | Mar 20, 2026 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Aryna Sabalenka | 0 | 1 | 1 | Jun 29, 2026 | H2H |
| Elizabeth Mandlik | 1 | 0 | 1 | May 19, 2026 | H2H |
| Hailey Baptiste | 0 | 1 | 1 | Feb 1, 2026 | H2H |
| Eva Lys | 0 | 1 | 1 | Apr 23, 2025 | H2H |