Gilles Simon defeated Donald Young 6-1 6-4 6-2 in the US Open round of 128 on hard. The result followed the form book — Gilles Simon came in leading the head-to-head 4–1, defending last year's round of 32. Gilles Simon extended the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-31 | US Open | R128 | hard | Donald Young | 2-6 4-6 6-4 6-4 6-4 |
| 2014-02-24 | Acapulco | R16 | hard | Gilles Simon | 6-4 6-3 |
| 2012-05-13 | Rome Masters | R64 | clay | Gilles Simon | 6-2 7-5 |
| 2008-07-21 | Canada Masters | R64 | hard | Gilles Simon | 6-1 6-3 |
| 2008-06-16 | Nottingham | R32 | grass | Gilles Simon | 6-1 6-4 |
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 200). ATP, WTA & Challenger.