K. Day and L. Chirico are level 2-2 in their head-to-head since 2018 over 4 matches.
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32 ATP & WTA matches analysed today
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By surface
| Surface | K. Day | L. Chirico |
| Hard | 2 | 1 |
| Clay | 0 | 1 |
Current ELO by surface
| Surface | K. Day | L. Chirico |
| Hard |
1699 (124-88) |
1455 (57-68) |
| Clay |
1628 (56-32) |
1652 (87-65) |
| Grass |
1543 (7-10) |
1453 (3-3) |
ELO is computed per surface from results since 2018; the win-loss pair is that surface's record.
Match history
| Date | Winner | Score | Event |
| Feb. 5, 2026 | K. Day | 2 - 0 | W50 Orlando, FL · 1/8-finals · hard |
| April 28, 2024 | L. Chirico | 2 - 0 | W75 Charlottesville, VA · Final · clay |
| Aug. 5, 2023 | K. Day | 2 - 0 | WTA Montreal · Semi-finals · hard |
| Sept. 30, 2021 | L. Chirico | 0 - 0 | W60 Berkeley, CA · 1/8-finals · hard |
Recent form
K. Day — 2-3 in the last 5
| Date | | Opponent | Score | Event |
| March 16, 2026 |
L |
A. Zakharova |
2 - 0 |
Miami · Semi-finals · hard |
| March 3, 2026 |
L |
A. Urhobo |
1 - 2 |
WTA Indian Wells · Semi-finals · hard |
| Feb. 22, 2026 |
L |
N. Bartunkova |
2 - 0 |
WTA Austin · Final · hard |
| Feb. 21, 2026 |
W |
E. Appleton |
0 - 2 |
WTA Austin · Semi-finals · hard |
| Feb. 17, 2026 |
L |
H. Guo |
2 - 1 |
Midland · 1/16-finals · hard |
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