Raluka Serban defeated Harmony Tan 7-5 6-7 7-5 in the W60 Zagreb round of 32 on clay. The upset overturned the form book — Harmony Tan came in ranked #207, leading the head-to-head 4–0. Raluka Serban claimed a first win over Harmony Tan in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-02-27 | W50 Macon 1 | R16 | hard | Harmony Tan | 6-1 6-4 |
| 2025-02-24 | W50+H Macon | R16 | hard | Harmony Tan | 6-1 6-4 |
| 2021-10-29 | W80 Poitiers | QF | hard | Harmony Tan | 6-3 6-0 |
| 2021-09-17 | W60+H Caldas da Rainha | QF | hard | Harmony Tan | 7-6(4) 7-5 |
Averages over each player's completed matches in the selected window (199 vs 199). 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