Ivo Karlovic defeated Ryan Harrison 6-4 6-4 in the New York round of 16 on hard. The upset overturned the form book — Ryan Harrison came in leading the head-to-head 2–0, but Ivo Karlovic had been the form player, winning 5 of their last 7 on hard. Ivo Karlovic claimed a first win over Ryan Harrison in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-04-08 | Houston | R32 | clay | Ryan Harrison | 6-3 6-4 |
| 2015-02-23 | Acapulco | QF | hard | Ryan Harrison | 4-6 7-6(0) 7-6(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 (118 vs 120). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About