Cedrik Marcel Stebe defeated Viktor Troicki 6-4 6-4 3-6 6-2 in the US Open round of 128 on hard. The upset overturned the form book — Viktor Troicki came in leading the head-to-head 1–0, defending last year's round of 128. Cedrik Marcel Stebe claimed a first win over Viktor Troicki in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-01-10 | Doha Aus Open Qualies | Q3 | hard | Viktor Troicki | 6-4 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 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About