H2H data updated: 2026-09-13 00:00 UTC
Hailey Baptiste holds a 1–0 lead over Kayla Day in their WTA head-to-head. Across 1 main-draw meeting, Hailey Baptiste leads 1–0 on clay. Most recently, Hailey Baptiste won the 2024 Roland Garros first round 4-6 6-2 6-2.
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 6-2 6-2 | Kayla Day | Match data | May 28, 2024* | R128 | Roland Garros | Grand Slam | 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.
| 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 |
| Kayla Day | #117 | #84 | 847 | 1,637 | 9 | 29 | 23.7% | 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 | Kayla Day | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | — | — | — | — | — | — | — | 2016 | 1–2 | 33.3% | #198 | 1,540 | 0 | 0 |
| 17 | 2019 | 1–1 | 50.0% | #231 | 1,526 | 0 | 0 | 2017 | 3–5 | 37.5% | #150 | 1,524 | 0 | 0 |
| 18 | 2020 | 0–1 | 0.0% | #232 | 1,493 | 0 | 0 | 2018 | 0–2 | 0.0% | #313 | 1,487 | 0 | 0 |
| 19 | 2021 | 3–6 | 33.3% | #168 | 1,526 | 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 | 2022 | 0–2 | 0.0% | #197 | 1,534 | 0 | 0 |
| 23 | 2025 | 20–19 | 51.3% | #61 | 1,717 | 0 | 0 | 2023 | 3–6 | 33.3% | #87 | 1,564 | 0 | 0 |
| 24 | 2026 | 17–11 | 60.7% | #37 | 1,856 | 0 | 0 | 2024 | 0–7 | 0.0% | #241 | 1,435 | 0 | 0 |
| 26 | — | — | — | — | — | — | — | 2026 | 2–5 | 28.6% | #117 | 1,604 | 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 | Kayla Day | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | |||
| 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2016 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
| 17 | 2019 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | 2017 | 3 | 4 | 7 | 42.9% | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 18 | 2020 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 2018 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| 19 | 2021 | 1 | 3 | 4 | 25.0% | 2 | 2 | 4 | 50.0% | 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% | — | — | — | — | 2022 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| 23 | 2025 | 10 | 13 | 23 | 43.5% | 8 | 5 | 13 | 61.5% | 2 | 1 | 3 | 66.7% | 2023 | 1 | 4 | 5 | 20.0% | 2 | 2 | 4 | 50.0% | — | — | — | — |
| 24 | 2026 | 10 | 6 | 16 | 62.5% | 7 | 5 | 12 | 58.3% | — | — | — | — | 2024 | 0 | 3 | 3 | 0.0% | 0 | 3 | 3 | 0.0% | 0 | 1 | 1 | 0.0% |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 2 | 3 | 5 | 40.0% | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% |
| Career | — | 32 | 41 | 73 | 43.8% | 21 | 18 | 39 | 53.8% | 2 | 2 | 4 | 50.0% | — | 7 | 20 | 27 | 25.9% | 2 | 7 | 9 | 22.2% | 0 | 2 | 2 | 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 38/38 of Kayla Day'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 | Kayla Day | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | |
| 16 | — | —/— | — | — | — | — | — | — | — | — | — | 2016 | 3/3 | 1.0 | 3.7 | 59.0% | 55.2% | 30.3% | 50.6% | 66.7% | 44.4% | 38.1% |
| 17 | 2019 | 2/2 | 4.0 | 5.0 | 55.9% | 70.6% | 51.3% | 70.6% | 24.7% | 62.2% | 38.4% | 2017 | 8/8 | 3.4 | 5.5 | 48.8% | 66.2% | 45.1% | 51.9% | 31.0% | 55.7% | 38.9% |
| 18 | 2020 | 1/1 | 1.0 | 3.0 | 57.1% | 40.6% | 33.3% | 30.0% | 50.0% | 37.5% | 42.2% | 2018 | 2/2 | 5.0 | 6.0 | 48.1% | 68.0% | 33.7% | 50.0% | 35.0% | 49.8% | 33.8% |
| 19 | 2021 | 9/9 | 4.7 | 5.6 | 52.9% | 67.8% | 48.7% | 48.2% | 39.2% | 58.8% | 40.2% | — | —/— | — | — | — | — | — | — | — | — | — |
| 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% | 2022 | 2/2 | 4.0 | 2.5 | 66.5% | 68.4% | 39.1% | 56.4% | 50.0% | 58.6% | 36.6% |
| 23 | 2025 | 33/39 | 4.2 | 4.1 | 56.4% | 68.5% | 47.8% | 52.4% | 38.7% | 59.5% | 40.8% | 2023 | 9/9 | 2.2 | 3.0 | 58.1% | 62.9% | 43.8% | 57.4% | 39.7% | 55.0% | 39.3% |
| 24 | 2026 | 28/30 | 4.6 | 3.5 | 57.5% | 67.7% | 52.2% | 52.4% | 43.8% | 61.3% | 41.1% | 2024 | 7/7 | 3.7 | 3.3 | 66.8% | 58.5% | 42.2% | 52.8% | 37.1% | 55.1% | 36.5% |
| 26 | — | —/— | — | — | — | — | — | — | — | — | — | 2026 | 7/7 | 4.0 | 3.4 | 65.3% | 59.9% | 47.4% | 52.6% | 46.8% | 55.8% | 40.7% |
| Career | — | 110/117 | 4.1 | 4.4 | 55.5% | 68.0% | 48.1% | 52.3% | 42.3% | 59.2% | 40.4% | — | 38/38 | 3.2 | 3.8 | 59.1% | 62.2% | 42.6% | 53.5% | 41.1% | 54.4% | 38.4% |
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 | Kayla Day | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2016 | 1540 | 107.8 | -2.89 | +0.53 | 0.685 | 42.0% | +14 | — | — | 0.0% | -4.75 | — | — | — | -0.17 |
| 17 | 2019 | 1526 | 111.6 | +1.91 | +0.85 | 1.014 | 50.5% | — | — | — | 60.0% | +0.40 | 0–1 | 1–0 | — | -0.30 | 2017 | 1524 | 111.0 | 0.00 | -2.37 | 0.877 | 47.2% | +13 | — | — | 45.0% | -0.85 | 1–3 (25%) | — | — | -0.14 |
| 18 | 2020 | 1493 | 101.0 | -2.07 | -2.55 | 0.675 | 40.0% | — | — | — | 0.0% | -3.00 | — | — | — | -0.05 | 2018 | 1487 | 91.2 | -2.87 | -2.16 | 0.673 | 41.8% | — | — | — | 20.0% | -3.20 | 0–1 | — | — | +0.16 |
| 19 | 2021 | 1526 | 112.8 | +1.14 | -1.64 | 0.974 | 49.4% | -42 | 0 | — | 44.4% | -0.17 | 0–2 | — | — | -0.22 | 2019 | 1463 | 99.5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | 2020 | 1450 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | 2022 | 1535 | 99.5 | -0.90 | -1.76 | 0.884 | 47.0% | — | — | — | 0.0% | -2.00 | — | 0–1 | — | +0.44 |
| 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 | 2023 | 1565 | 118.9 | -0.78 | -1.35 | 0.874 | 47.7% | -48 | +5 | — | 31.6% | -0.84 | 1–0 | 0–1 | — | +0.61 |
| 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 | 2024 | 1436 | 102.7 | -2.31 | -3.54 | 0.812 | 46.2% | -2 | +63 | — | 22.2% | -1.61 | 0–4 (0%) | 1–3 (25%) | 92.8 | +0.78 |
| 25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1474 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1604 | 129.8 | -0.05 | +0.23 | 0.921 | 48.5% | -18 | — | — | 35.3% | -0.94 | 1–2 (33%) | 1–1 | — | -0.59 |
| 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 | — | 1637 | 116.0 | -1.05 | -1.59 | 0.842 | 46.7% | -9 | +30 | — | 29.9% | -1.39 | 3–10 (23%) | 2–6 (25%) | 91.1 | +2.87 |
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 |
|---|---|---|---|---|---|
| Madison Keys | 1 | 2 | 3 | Jun 30, 2026 | H2H |
| Caroline Dolehide | 0 | 2 | 2 | Apr 3, 2024 | H2H |
| Marie Bouzkova | 0 | 2 | 2 | Oct 12, 2023 | H2H |
| Garbiñe Muguruza | 0 | 2 | 2 | Aug 4, 2017 | H2H |
| Shuai Zhang | 0 | 1 | 1 | Aug 15, 2026 | H2H |