Head to head
4
Hard
0
0
Clay
1
Nick Kyrgios's wins on the left · Ivo Karlovic's on the right · bar lengths share one scale
All meetings (5)
| 2018 | Houston | Clay | QF | Ivo Karlovic | 3-6 6-2 6-3 |
| 2017 | Cincinnati Masters | Hard | R16 | Nick Kyrgios | 4-6 7-6(6) 6-3 |
| 2017 | Miami Masters | Hard | R32 | Nick Kyrgios | 6-4 6-7(4) 7-6(2) |
| 2015 | Kuala Lumpur | Hard | QF | Nick Kyrgios | 7-6(4) 7-6(2) |
| 2015 | Australian Open | Hard | R64 | Nick Kyrgios | 7-6(4) 6-4 5-7 6-4 |
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.