Andrea Petkovic defeated Tsvetana Pironkova 7-5 6-2 in the Tournament of Champions round robin on hard. The upset overturned the form book — Tsvetana Pironkova came in leading the head-to-head 1–0, defending last year's round-robin. Andrea Petkovic claimed a first win over Tsvetana Pironkova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-09-28 | Roland Garros | R128 | clay | Tsvetana Pironkova | 6-3 6-3 |
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 (200 vs 173). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About