Kayla Day
WTA · World No. 138 · USA · Left-handed · 173 cm · 63 kg
At a glance
Elo
1711
Hard Elo
1615
Clay Elo
1590
Grass Elo
1536
Last 52w win%
66%
Last 10
7-3
Tiebreak win%
48%
Deciding-set win%
58%
Serve & return profile
Serve-dominant: holds comfortably and leans on the serve game. Hard to break.
Serve / return map
vs 565 tour pros
Strengths vs tour
Career percentile · tick = tour median
Serve points won60%96th
Return points won43%27th
Ace rate4.8%85th
Double-fault discipline5.2%48th
Break points saved59%96th
Break points won46%44th
Serve anatomy
1st serve in62%
1st serve won68%
2nd serve won47%
Surface splits
Serve & return points won, break-point save & conversion, and ace rate, broken out by surface. Win% is heat-shaded against a 50% baseline. Toggle the window: career, last 52 weeks, or this season.
| Surface | M | W-L | Win% | Serve% | Return% | Ace% | BP Sv% | BP Cv% |
|---|---|---|---|---|---|---|---|---|
| All | 116 | 71-45 | 61% | 60% | 43% | 4.8% | 59% | 46% |
| Hard | 97 | 59-38 | 61% | 60% | 43% | 4.9% | 58% | 45% |
| Clay | 13 | 8-5 | 62% | 59% | 44% | 5.2% | 62% | 55% |
| Grass | 6 | 4-2 | 67% | 61% | 44% | 2.9% | 66% | 41% |
Recent matches
| Date | Tournament | Surf | Odds | R | Opponent | Score |
|---|---|---|---|---|---|---|
| Jun 25, 2026 | Wimbledon - London · Grand Slam | Grass | — | W | Katarzyna Kawa | 6-2 7-5 |
| Jun 24, 2026 | Wimbledon - London · Grand Slam | Grass | — | W | Erika Andreeva | 6-2 6-2 |
| Jun 23, 2026 | Wimbledon - London · Grand Slam | Grass | — | W | Cadence Brace | 6-4 6-3 |
| Jun 9, 2026 | Lexus Ilkley Open - Ilkley · WTA 125 | Grass | — | L | Mary Stoiana | 7-5 6-4 |
| Jun 4, 2026 | Lexus Birmingham Open - Birmingham · WTA 125 | Grass | 2.98 | L | Mananchaya Sawangkaew | 6-4 6-1 |
| Jun 2, 2026 | Lexus Birmingham Open - Birmingham · WTA 125 | Grass | 1.97 | W | Hanne Vandewinkel | 7-6(2) 6-2 |
| May 31, 2026 | W75 Zaragoza · ITF Event | Clay | 1.28 | L | Jennifer Ruggeri | 3-6 6-3 7-6(3) |
| May 30, 2026 | W75 Zaragoza · ITF Event | Clay | 1.68 | W | Luisina Giovannini | 6-4 6-4 |
| May 29, 2026 | W75 Zaragoza · ITF Event | Clay | — | W | Angela Fita Boluda | 6-2 6-2 |
| May 28, 2026 | W75 Zaragoza · ITF Event | Clay | — | W | Eva Vedder | 6-3 7-6(5) |
| May 27, 2026 | W75 Zaragoza · ITF Event | Clay | — | W | Ane Mintegi Del Olmo | 6-4 6-2 |
| May 18, 2026 | French Open - Paris · Grand Slam | Clay | — | L | — | 6-4 2-6 7-6(13) |
| May 1, 2026 | W100 Bonita Springs · ITF Event | Clay | — | L | Angela Fita Boluda | 7-6(4) 6-4 |
| Apr 30, 2026 | W100 Bonita Springs · ITF Event | Clay | 1.38 | W | Elizabeth Mandlik | 4-6 6-2 6-2 |
| Apr 29, 2026 | W100 Bonita Springs · ITF Event | Clay | 1.04 | W | — | 6-2 6-3 |
| Apr 24, 2026 | W100 Charlottesville · ITF Event | Clay | 1.14 | L | Martina Capurro Taborda | 6-4 6-1 |
| Apr 23, 2026 | W100 Charlottesville · ITF Event | Clay | — | W | Julia Riera | 7-6(4) 6-7(4) 6-4 |
| Apr 21, 2026 | W100 Charlottesville · ITF Event | Clay | — | W | — | 7-5 6-3 |
| Nov 14, 2025 | W50 Austin 1 · ITF Event | Hard | — | L | — | 6-4 6-4 |
| Nov 13, 2025 | W50 Austin 1 · ITF Event | Hard | 1.19 | W | — | 6-4 3-6 7-5 |
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