Head to head
0
Hard
1
0
Clay
1
1
Grass
0
Hyung-Taik Lee's wins on the left · Agustin Calleri's on the right · bar lengths share one scale
All meetings (3)
| 2007 | Doha | Hard | R16 | Agustin Calleri | 6-3 6-1 |
| 2007 | Wimbledon | Grass | R64 | Hyung-Taik Lee | 7-6(6) 6-4 6-7(3) 6-3 |
| 2003 | Hamburg Masters | Clay | R64 | Agustin Calleri | 3-6 7-6(1) 7-5 |
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.