Head to head
0
Hard
1
7
Clay
3
Agustin Calleri's wins on the left · Juan Ignacio Chela's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (11)
| 2008 | Acapulco | Clay | R16 | Agustin Calleri | 7-6(4) 2-6 6-1 |
| 2007 | Acapulco | Clay | SF | Juan Ignacio Chela | 4-6 5-5 RET |
| 2006 | Kitzbuhel | Clay | F | Agustin Calleri | 7-6(9) 6-2 6-3 |
| 2005 | Barcelona | Clay | R32 | Agustin Calleri | 6-3 6-7(9) 7-6(1) |
| 2005 | Costa do Sauipe | Clay | R16 | Agustin Calleri | 7-6(2) 6-1 |
| 2004 | Costa do Sauipe | Clay | QF | Agustin Calleri | 6-3 3-6 6-3 |
| 2003 | Canada Masters | Hard | R64 | Juan Ignacio Chela | 5-7 6-4 6-3 |
| 2003 | Barcelona | Clay | R32 | Agustin Calleri | 7-6(5) 6-2 |
| 2003 | Monte Carlo Masters | Clay | R64 | Juan Ignacio Chela | 6-4 6-1 |
| 2003 | Buenos Aires | Clay | R16 | Juan Ignacio Chela | 7-5 7-5 |
| 2002 | Buenos Aires | Clay | SF | Agustin Calleri | 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.