Head to head
0
Hard
3
2
Grass
0
Yen-Hsun Lu's wins on the left · Ivo Karlovic's on the right · bar lengths share one scale
All meetings (5)
| 2016 | US Open | Hard | R128 | Ivo Karlovic | 4-6 7-6(4) 6-7(4) 7-6(5) 7-5 |
| 2014 | Shanghai Masters | Hard | R32 | Ivo Karlovic | 7-6(6) 6-3 |
| 2014 | Halle | Grass | R16 | Yen-Hsun Lu | 7-6(2) 7-6(3) |
| 2014 | Memphis | Hard | SF | Ivo Karlovic | 6-1 RET |
| 2012 | Queen's Club | Grass | R32 | Yen-Hsun Lu | 6-7(3) 7-6(6) 7-6(7) |
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.