H2H data updated: 2026-09-13 00:00 UTC
Compare the head-to-head record, career totals, season-by-season performance, and match log for Julia Grabher vs Kayla Day.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Kayla Day | 6-2 4-6 6-4 | Julia Grabher | Match data | Oct 15, 2022 | Q1 | Guadalajara Open | WTA 1000 | Hard |
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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Julia Grabher | #112 | #54 | 1,004 | 1,681 | 21 | 42 | 33.3% | 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 | Julia Grabher | 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 | — | — | — | — | — | — | — | 2017 | 3–5 | 37.5% | #150 | 1,524 | 0 | 0 |
| 18 | — | — | — | — | — | — | — | 2018 | 0–2 | 0.0% | #313 | 1,487 | 0 | 0 |
| 22 | 2019 | 0–1 | 0.0% | #229 | 1,460 | 0 | 0 | 2022 | 0–2 | 0.0% | #197 | 1,534 | 0 | 0 |
| 23 | 2020 | 0–1 | 0.0% | #226 | 1,438 | 0 | 0 | 2023 | 3–6 | 33.3% | #87 | 1,564 | 0 | 0 |
| 24 | 2021 | 0–3 | 0.0% | #184 | 1,446 | 0 | 0 | 2024 | 0–7 | 0.0% | #241 | 1,435 | 0 | 0 |
| 25 | 2022 | 3–2 | 60.0% | #82 | 1,553 | 0 | 0 | — | — | — | — | — | — | — |
| 26 | 2023 | 13–16 | 44.8% | #101 | 1,607 | 0 | 0 | 2026 | 2–5 | 28.6% | #117 | 1,604 | 0 | 0 |
| 27 | 2024 | 0–2 | 0.0% | #470 | 1,574 | 0 | 0 | — | — | — | — | — | — | — |
| 28 | 2025 | 2–9 | 18.2% | #95 | 1,676 | 0 | 0 | — | — | — | — | — | — | — |
| 29 | 2026 | 3–8 | 27.3% | #112 | 1,665 | 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 | Julia Grabher | 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2017 | 3 | 4 | 7 | 42.9% | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2018 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| 22 | 2019 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 2022 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| 23 | 2020 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 2023 | 1 | 4 | 5 | 20.0% | 2 | 2 | 4 | 50.0% | — | — | — | — |
| 24 | 2021 | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | 2024 | 0 | 3 | 3 | 0.0% | 0 | 3 | 3 | 0.0% | 0 | 1 | 1 | 0.0% |
| 25 | 2022 | — | — | — | — | 3 | 2 | 5 | 60.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2023 | 2 | 7 | 9 | 22.2% | 11 | 7 | 18 | 61.1% | 0 | 2 | 2 | 0.0% | 2026 | 2 | 3 | 5 | 40.0% | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% |
| 27 | 2024 | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | 2025 | 2 | 6 | 8 | 25.0% | 0 | 3 | 3 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2026 | 1 | 4 | 5 | 20.0% | 2 | 4 | 6 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 5 | 21 | 26 | 19.2% | 16 | 19 | 35 | 45.7% | 0 | 2 | 2 | 0.0% | — | 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 56/63 of Julia Grabher'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 | Julia Grabher | 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 | — | —/— | — | — | — | — | — | — | — | — | — | 2017 | 8/8 | 3.4 | 5.5 | 48.8% | 66.2% | 45.1% | 51.9% | 31.0% | 55.7% | 38.9% |
| 18 | — | —/— | — | — | — | — | — | — | — | — | — | 2018 | 2/2 | 5.0 | 6.0 | 48.1% | 68.0% | 33.7% | 50.0% | 35.0% | 49.8% | 33.8% |
| 22 | 2019 | 1/1 | 2.0 | 6.0 | 56.5% | 61.5% | 40.0% | 55.6% | 33.3% | 52.2% | 25.5% | 2022 | 2/2 | 4.0 | 2.5 | 66.5% | 68.4% | 39.1% | 56.4% | 50.0% | 58.6% | 36.6% |
| 23 | 2020 | 1/1 | 0.0 | 1.0 | 58.8% | 70.0% | 42.9% | 100.0% | 16.7% | 58.8% | 43.8% | 2023 | 9/9 | 2.2 | 3.0 | 58.1% | 62.9% | 43.8% | 57.4% | 39.7% | 55.0% | 39.3% |
| 24 | 2021 | 3/3 | 0.7 | 8.3 | 54.9% | 64.4% | 29.9% | 35.2% | 30.0% | 48.9% | 42.8% | 2024 | 7/7 | 3.7 | 3.3 | 66.8% | 58.5% | 42.2% | 52.8% | 37.1% | 55.1% | 36.5% |
| 25 | 2022 | 5/5 | 1.2 | 3.0 | 74.3% | 61.0% | 40.6% | 46.7% | 49.0% | 55.6% | 45.9% | — | —/— | — | — | — | — | — | — | — | — | — |
| 26 | 2023 | 29/29 | 1.4 | 5.0 | 65.2% | 62.9% | 42.5% | 54.2% | 49.7% | 55.6% | 40.2% | 2026 | 7/7 | 4.0 | 3.4 | 65.3% | 59.9% | 47.4% | 52.6% | 46.8% | 55.8% | 40.7% |
| 27 | 2024 | 1/2 | 1.0 | 3.0 | 60.4% | 55.2% | 47.4% | 33.3% | 50.0% | 52.1% | 34.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 28 | 2025 | 5/11 | 1.6 | 3.0 | 60.3% | 59.6% | 44.9% | 56.7% | 46.0% | 53.8% | 39.6% | — | —/— | — | — | — | — | — | — | — | — | — |
| 29 | 2026 | 11/11 | 2.1 | 4.0 | 60.8% | 56.4% | 40.2% | 51.4% | 40.8% | 50.1% | 37.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 56/63 | 1.5 | 4.5 | 63.8% | 61.2% | 41.5% | 52.6% | 45.6% | 53.9% | 40.0% | — | 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 | Julia Grabher | 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2017 | 1524 | 111.0 | 0.00 | -2.37 | 0.877 | 47.2% | +13 | — | — | 45.0% | -0.85 | 1–3 (25%) | — | — | -0.14 |
| 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2018 | 1487 | 91.2 | -2.87 | -2.16 | 0.673 | 41.8% | — | — | — | 20.0% | -3.20 | 0–1 | — | — | +0.16 |
| 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2019 | 1463 | 99.5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2017 | 1481 | 94.9 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2020 | 1450 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2018 | 1466 | 99.3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2019 | 1460 | 97.3 | -2.20 | -0.80 | 0.534 | 41.4% | — | — | — | 0.0% | -3.00 | — | — | — | -0.02 | 2022 | 1535 | 99.5 | -0.90 | -1.76 | 0.884 | 47.0% | — | — | — | 0.0% | -2.00 | — | 0–1 | — | +0.44 |
| 23 | 2020 | 1438 | — | -1.62 | -1.18 | 1.062 | 49.0% | — | — | — | — | — | — | — | — | 0.00 | 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 | 2021 | 1447 | 107.2 | -1.26 | -2.44 | 0.838 | 45.6% | — | — | — | 14.3% | -2.00 | 0–1 | 0–2 | — | -0.07 | 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 | 2022 | 1554 | 112.3 | -0.67 | +0.14 | 1.035 | 50.6% | — | +91 | — | 60.0% | +0.30 | — | — | — | +0.13 | 2025 | 1474 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2023 | 1608 | 120.1 | -0.59 | -2.37 | 0.906 | 48.1% | -115 | +58 | — | 41.5% | -0.48 | 6–3 (67%) | 4–3 (57%) | 105.7 | +0.13 | 2026 | 1604 | 129.8 | -0.05 | +0.23 | 0.921 | 48.5% | -18 | — | — | 35.3% | -0.94 | 1–2 (33%) | 1–1 | — | -0.59 |
| 27 | 2024 | 1575 | 101.0 | +0.72 | +0.36 | 0.709 | 42.6% | — | — | — | 0.0% | -4.00 | — | — | — | -0.15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | 2025 | 1677 | 112.3 | -0.60 | -0.90 | 0.857 | 47.0% | -200 | +108 | — | 24.0% | -1.88 | 1–2 (33%) | 1–0 | — | +0.25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2026 | 1666 | 116.4 | -3.51 | -2.75 | 0.750 | 43.7% | -147 | +88 | — | 27.3% | -1.27 | 2–0 | 1–2 (33%) | — | -0.45 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1682 | 117.7 | -1.23 | -2.00 | 0.867 | 47.0% | -153 | +73 | — | 34.1% | -1.03 | 9–6 (60%) | 6–7 (46%) | 103.9 | -0.29 | — | 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 |
|---|---|---|---|---|---|
| Sorana Cirstea | 0 | 3 | 3 | Aug 31, 2026 | H2H |
| Jil Teichmann | 2 | 1 | 3 | May 18, 2026 | H2H |
| Leylah Fernandez | 0 | 3 | 3 | Apr 23, 2026 | H2H |
| Alycia Parks | 0 | 2 | 2 | Feb 2, 2026 | H2H |
| Anastasia Potapova | 0 | 2 | 2 | Feb 4, 2025 | 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 |