USA · WTA #121KaylaDay
Age 27
Hard Elo1585
Last 104-6
Last 6
LLWLWL
Surface rating
Elo by courtHard1585STRONGEST
Clay15582-2
Grass15014-5
Serve and return
35 matches since Feb 2026Hold, break and tiebreak ratesMeasured from her own matches. Open to Plus members.
Unlock14 days since her last match · L vs Zhang · Tokyo
Career
2025 to Oct 2026Matches4220 events entered
Won-lost21-2150.0% of matches
Titles1from 1 final
At the Slams3-537.5% of Slam matches
By surface
Hard courts
15-14 · 51.7%
Clay courts
2-2 · 50.0%
Grass courts
4-5 · 44.4%
By opponent ranking
vs Top 10
0-2 · 0.0%
vs 11-20
0-1 · 0.0%
vs 21-50
1-2 · 33.3%
vs 51+
19-16 · 54.3%
How far she gets
Finals1
Semi-finals2
Quarter-finals6
Last 166
Head to head
40 opponents · since Jun 2025
Shuai Zhang#95 · last met Oct 2026
0-2
Yue Yuan#168 · last met Aug 2026
2-0
Antonia Ruzic#81 · last met Oct 2026
0-1
37 more head-to-headsEvery opponent since Jun 2025, with the record against each.
UnlockRecent matches
Last 5Oct 24
ZhangTokyo · SF
1-2LOct 22
RuzicOsaka · R16
0-1LOct 20
KeninOsaka · R32
2-0WOct 18
JointOsaka · F
1-2LOct 17
KoikeOsaka · SF
2-0W15 more recent matchesScores and events for her last 20, by surface.
UnlockCareer, surface splits and recent matches count every WTA and WTA 125 singles result we hold, since Jun 2025, from our results feed. Surface Elo is Tennis Abstract's WTA rating, updated weekly. Serve, return and tiebreak rates count the last 52 weeks.