Alyssa Ahn defeated Haley Giavara 6-4 4-6 6-4 in the W15 Lakewood 1 quarter-final on hard. The upset overturned the form book — Haley Giavara came in ranked #419, leading the head-to-head 3–0. Alyssa Ahn claimed a first win over Haley Giavara in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-07-24 | W35 Florence 1 | R16 | hard | Haley Giavara | 6-4 6-0 |
| 2024-10-01 | W75 Rancho Santa Fe 1 | Q16 | hard | Haley Giavara | 6-1 3-6 6-3 |
| 2023-06-29 | W15 Irvine 1 | R16 | hard | Haley Giavara | 6-4 6-2 |
Averages over each player's completed matches in the selected window (24 vs 64). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About