Ivo Karlovic defeated Dudi Sela 6-7 6-4 6-3 6-1 in the Australian Open round of 64 on hard. The result followed the form book — Ivo Karlovic came in leading the head-to-head 5–1, defending last year's round of 128. Ivo Karlovic extended the head-to-head to 6–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-07-16 | Newport | R16 | grass | Dudi Sela | 7-6(6) 6-7(4) 6-2 |
| 2014-07-14 | Bogota | R16 | hard | Ivo Karlovic | 7-6(8) 7-6(5) |
| 2014-07-07 | Newport | QF | grass | Ivo Karlovic | 7-6(3) 7-5 |
| 2014-02-24 | Acapulco | R16 | hard | Ivo Karlovic | 7-6(4) 6-2 |
| 2012-06-25 | Wimbledon | R128 | grass | Ivo Karlovic | 6-4 6-4 7-6(5) |
| 2012-01-30 | Zagreb | R16 | hard | Ivo Karlovic | 6-3 6-2 |
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