World No. 112 Kayla Day is 27 and plays left-handed. Career best: No. 84 in the world. No clear favourite surface: Hard 24-9, Clay 10-5, Grass 4-3. 3.9 aces a match and 64% won on the first serve over twelve months make the serve the key shot. Average on return: 45.8% of return points won and 63.9% of break points converted. 89.7% of service games held: breaking this serve is hard.

In form: 5 of the last 5 finished matches won. No match in our data has lasted longer than the 34-game duel with L. Samsonova. Open any of these matches for BananaCore's pick, a predicted scoreline and the serve and return figures behind them. Latest tournament on record: ITF Women W50 Berkeley CA.

Serving and returning

1st serves in

68.5%

Won on 1st serve

64.7%

Won on 2nd serve

45.2%

Aces per match

5.5

Double faults per match

3.7

Break points saved

64.9%

Return games won

41.9%

Points won on return

43.6%

Service points won

66.4%

All points won

54.2%

Career Past 12 months

Titles

Finals

Semi-final runs

Tournaments played

Results by tournament 4 titles

ITF W35 Boca Raton, FL Women ITF Winner ITF W35 Le Lamentin (Martinique) Women ITF Winner ITF W50 Orlando, FL Women ITF Winner

ITF W75 Templeton Women ITF Winner

ITF W75 Zaragoza Women ITF Final ITF W100 Bonita Springs, FL Women ITF Quarter-Finals ITF W100 Charlottesville, VA Women ITF Quarter-Finals

ITF W100 Tyler Women ITF Quarter-Finals

ITF W50 Austin Women ITF Quarter-Finals Guadalajara WTA Round of 16 Barranquilla, Colombia WTA 125 Round of 16 Birmingham, Great Britain WTA 125 Round of 16 Midland, USA WTA 125 Round of 16

ITF W100 Edmond, OK Women ITF Round of 16

ITF W100 Macon Women ITF Round of 16

ITF W100 San Diego, CA Women ITF Round of 16

ITF W35 San Rafael Women ITF Round of 16

Ilkley, Great Britain WTA 125 Round of 32 Vancouver, Canada WTA 125 Round of 32

ITF W75 Toronto Women ITF Round of 32

Indian Wells WTA Round of 64 Toronto WTA Round of 64 Charleston WTA Round of 64 Wimbledon, Women WTA Round of 128 Cincinnati WTA Round of 128 Roland Garros, Women WTA Qualifying US Open, Women WTA Qualifying Austin WTA Qualifying

Sorted by best result, not by date

Year by year

2026

2026in progress

15–11

W–L

Matches

2–4

Tiebreaks

4.9

Aces per match

3.2

Double faults per match

1st serves in 68.3%

Won on 1st serve 64.8%

Won on 2nd serve 47.6%

Break points converted 43.8%

Break points saved 62%

2025

3–3

W–L

Matches

—

Tiebreaks

4.5

Aces per match

4.8

Double faults per match

1st serves in 71.2%

Won on 1st serve 63.7%

Won on 2nd serve 43.1%

Break points converted 47.2%

Break points saved 42.4%

2024

5–19

W–L

Matches

2–7

Tiebreaks

4.3

Aces per match

3.8

Double faults per match

1st serves in 65%

Won on 1st serve 63.6%

Won on 2nd serve 45.5%

Break points converted 39.7%

Break points saved 56.3%

2023

9–9

W–L

Matches

2–3

Tiebreaks

2.8

Aces per match

2.9

Double faults per match

1st serves in 63.2%

Won on 1st serve 65.1%

Won on 2nd serve 42.5%

Break points converted 47.2%

Break points saved 53.8%

Official singles figures for this season, as published by the tour. Don't expect the wins and losses to match our Predictions tab: that record covers only the matches we forecast. A dash marks a figure with no data yet.

Common questions

How often do our calls on Kayla Day come true?

37 of our 52 graded predictions on Kayla Day's matches were right, 71.2%. The latest 20 are listed below, each pick next to its result.

Which opponent has Kayla Day met most in our records?

Yue Yuan, 2 times, with Kayla Day at 2-0 in those matches.