Zarina Diyas defeated Monica Niculescu 7-6 3-6 6-4 in the Beijing qualifying round 1 on hard. The upset overturned the form book — Monica Niculescu came in leading the head-to-head 2–0. Zarina Diyas claimed a first win over Monica Niculescu in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-01-29 | Taipei | R16 | hard | Monica Niculescu | 6-0 1-6 6-4 |
| 2010-09-20 | Tashkent | R32 | hard | Monica Niculescu | 6-3 6-7(2) 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (199 vs 104). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About