Tennys Sandgren defeated Austin Krajicek 7-6 7-5 in the Winnetka CH round of 32 on hard. The upset overturned the form book — Austin Krajicek came in leading the head-to-head 3–0, defending last year's round of 16. Tennys Sandgren claimed a first win over Austin Krajicek in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-08 | Canada F4 | F | hard | Austin Krajicek | 7-5 7-6(6) |
| 2012-10-15 | USA F28 | QF | hard | Austin Krajicek | 6-3 6-7(5) 7-5 |
| 2011-06-20 | USA F15 | R16 | clay | Austin Krajicek | 6-2 6-1 |
Averages over each player's completed matches in the selected window (200 vs 73). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About