Sam Querrey defeated Dmitry Tursunov 7-6 4-6 6-4 6-2 in the Australian Open round of 64 on hard. The upset overturned the form book — Dmitry Tursunov came in leading the head-to-head 3–1, defending last year's round of 32. Sam Querrey narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-05-26 | Roland Garros | R64 | clay | Dmitry Tursunov | 6-4 7-5 6-1 |
| 2013-12-29 | Brisbane | R32 | hard | Sam Querrey | 7-5 6-4 |
| 2007-07-23 | Indianapolis | SF | hard | Dmitry Tursunov | 7-6(5) 6-2 |
| 2006-07-24 | Los Angeles | R16 | hard | Dmitry Tursunov | 7-5 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.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About