Head to head
0
Hard
1
1
Clay
0
Agustin Calleri's wins on the left · Yen-Hsun Lu's on the right · bar lengths share one scale
All meetings (2)
| 2009 | Kitzbuhel | Clay | R32 | Agustin Calleri | 3-6 7-5 0-1 RET |
| 2008 | Beijing Olympics | Hard | R32 | Yen-Hsun Lu | 6-4 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.