By surface
| Surface | Ivo Karlovic | Jared Donaldson |
|---|---|---|
| Hard | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2018-02-12 | ATP | New York | Round of 32 | Hard | Ivo Karlovic | 6-4 | 7-64 | |||
| 2016-08-29 | ATP | US Open | Round of 32 | Hard | Ivo Karlovic | 6-4 | 7-63 | 6-3 |