Stephane Robert defeated Federico Delbonis 6-4 5-7 6-4 in the Winston-Salem round of 32 on hard. The upset overturned the form book — Federico Delbonis came in leading the head-to-head 2–0, defending last year's round of 64. Stephane Robert claimed a first win over Federico Delbonis in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-07-17 | Bastad | Q2 | clay | Federico Delbonis | 6-2 6-3 |
| 2017-02-13 | Buenos Aires | R32 | clay | Federico Delbonis | 6-3 6-1 |
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 (183 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About