Jack Sock defeated Dimitar Kutrovsky 6-4 7-5 in the USA F3 qualifying round on clay. The upset overturned the form book — Dimitar Kutrovsky came in leading the head-to-head 3–0. Jack Sock claimed a first win over Dimitar Kutrovsky in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-11-15 | USA F31 | R16 | clay | Dimitar Kutrovsky | 6-4 6-7(4) 6-2 |
| 2010-06-21 | USA F15 | QF | hard | Dimitar Kutrovsky | 6-4 7-6(6) |
| 2009-10-12 | USA F25 | SF | hard | Dimitar Kutrovsky | 7-5 6-2 |
Averages over each player's completed matches in the selected window (199 vs 36). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About