Arianne Hartono defeated Arantxa Rus 7-5 7-6 in the W100 Wiesbaden round of 32 on clay. The upset overturned the form book — Arantxa Rus came in ranked #206, leading the head-to-head 2–1. Arianne Hartono narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-12-03 | W100 Dubai 1 | R16 | hard | Arantxa Rus | 6-1 6-2 |
| 2022-05-04 | W100 Wiesbaden 1 | R32 | clay | Arianne Hartono | 7-5 7-6(4) |
| 2019-07-04 | W25 Den Haag | R16 | clay | Arantxa Rus | 6-3 6-2 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About