Sam Querrey defeated Viktor Troicki 7-5 6-2 in the Davis Cup WG R1: SRB vs USA round robin on clay. The upset overturned the form book — Viktor Troicki came in leading the head-to-head 3–1. Sam Querrey narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-08-22 | Winston-Salem | R16 | hard | Viktor Troicki | 6-2 7-6(5) |
| 2013-04-05 | Davis Cup WG QF: USA vs SRB | RR | hard | Sam Querrey | 7-6(1) 3-6 4-6 6-1 6-4 |
| 2011-03-23 | Miami Masters | R32 | hard | Viktor Troicki | 7-6(5) 3-6 7-5 |
| 2009-05-04 | Belgrade | R32 | hard | Viktor Troicki | 4-6 6-4 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 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About