Donald Young defeated Viktor Troicki 6-3 6-4 in the London round of 16 on carpet. The result followed the form book — Donald Young came in leading the head-to-head 1–0, defending last year's round of 16. Donald Young extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-09-05 | US Open | R32 | hard | Donald Young | 4-6 0-6 7-6(3) 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.