Diana Demidova defeated Natalie Augustinova 6-4 6-2 in the W15 Antalya 27 round of 32 on clay. The upset overturned the form book — Natalie Augustinova came in leading the head-to-head 1–0, but Diana Demidova had been the form player, winning 6 of their last 9 on clay. Diana Demidova claimed a first win over Natalie Augustinova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-12-01 | W15 Antalya 10 | Q16 | clay | Natalie Augustinova | 1-6 6-2 10-7 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.