Head to head
2
Hard
0
Ivo Karlovic's wins on the left · Jared Donaldson's on the right · bar lengths share one scale
All meetings (2)
| 2018 | New York | Hard | R32 | Ivo Karlovic | 6-4 7-6(4) |
| 2016 | US Open | Hard | R32 | Ivo Karlovic | 6-4 7-6(3) 6-3 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.