Ivo Karlovic defeated Jack Sock 3-6 7-6 6-2 in the Indian Wells Masters round of 128 on hard. The result followed the form book — Ivo Karlovic came in leading the head-to-head 3–1, defending last year's round of 128. Ivo Karlovic extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-07-18 | Washington | QF | hard | Ivo Karlovic | 7-6(4) 7-6(6) |
| 2015-07-13 | Newport | SF | grass | Ivo Karlovic | 7-6(3) 6-4 |
| 2014-04-07 | Houston | R32 | clay | Jack Sock | 6-1 6-4 |
| 2014-02-10 | Memphis | QF | hard | Ivo Karlovic | 7-6(4) 6-7(3) 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 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About