| 2004-09-24 | Davis Cup WG PO: CHI vs JPN | Clay | RR | 263 |  Hermes Gamonal | 201 |  Takao Suzuki | 7-5 2-6 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 2004-02-09 | Vina del Mar | Clay | R32 | 45 |  Flavio Saretta (8) | 187 | Hermes Gamonal (WC) | 6-2 6-1 | H2H | 3 | 73 | 1 | 5 | 44.2% | 89.5% | 50.0% | 1/2 |
| 2004-02-06 | Davis Cup G1 R1: PER vs CHI | Clay | RR | 183 | Hermes Gamonal | 891 |  Diego Acuna | 7-5 6-3 | H2H | 3 | - | - | - | - | - | - | - |
| 2003-09-08 | Costa do Sauipe | Hard | R16 | 31 |  Vincent Spadea (5) | 146 | Hermes Gamonal | 6-1 2-6 3-1 RET | H2H | 3 | 91 | 6 | 3 | 50.0% | 59.4% | 56.3% | 7/10 |
| 2003-09-08 | Costa do Sauipe | Hard | R32 | 146 | Hermes Gamonal | 369 |  Michael Quintero (Q) | 7-6(0) 6-2 | H2H | 3 | 97 | 4 | 2 | 73.0% | 64.8% | 55.0% | 3/5 |
| 2003-07-28 | Washington | Hard | R64 | 133 |  Jiri Vanek | 159 | Hermes Gamonal | 7-6(5) 6-3 | H2H | 3 | 80 | 8 | 4 | 56.3% | 77.5% | 54.8% | 2/3 |
| 2003-05-26 | Roland Garros | Clay | R128 | 101 |  Christophe Rochus (Q) | 195 | Hermes Gamonal (Q) | 7-5 6-3 6-3 | H2H | 5 | 130 | 1 | 4 | 77.0% | 60.6% | 42.9% | 16/21 |
| 2003-02-10 | Vina del Mar | Clay | R16 | 22 |  Gaston Gaudio (1) | 253 | Hermes Gamonal (WC) | 6-3 6-4 | H2H | 3 | 97 | 3 | 1 | 64.1% | 65.9% | 47.8% | 4/6 |
| 2003-02-10 | Vina del Mar | Clay | R32 | 253 | Hermes Gamonal (WC) | 430 |  Jacobo Diaz | 7-5 5-7 6-3 | H2H | 3 | 126 | 5 | 2 | 72.3% | 67.6% | 57.7% | 4/8 |
| 2003-02-07 | Davis Cup G1 R1: ECU vs CHI | Clay | RR | 267 |  Giovanni Lapentti | 248 | Hermes Gamonal | 7-6(4) 6-4 6-7(4) 6-3 | H2H | 5 | - | - | - | - | - | - | - |
