| 2003-10-20 | Stockholm | Hard | SF | 75 |  Robin Soderling (WC) | 90 |  Davide Sanguinetti | 7-6(2) 7-6(5) | H2H | 3 | 89 | 11 | 1 | 66.2% | 81.6% | 64.0% | 0/0 |
| 2003-10-20 | Stockholm | Hard | QF | 90 | Davide Sanguinetti | 160 | Joachim Johansson (WC) | 6-3 6-2 | H2H | 3 | 62 | 7 | 1 | 56.0% | 78.6% | 68.2% | 1/1 |
| 2003-10-20 | Stockholm | Hard | R16 | 90 | Davide Sanguinetti | 73 |  Gregory Carraz | 6-3 2-6 7-5 | H2H | 3 | 98 | 5 | 4 | 65.4% | 73.6% | 42.9% | 0/3 |
| 2003-10-20 | Stockholm | Hard | R32 | 90 | Davide Sanguinetti | 52 |  Jan-Michael Gambill | 5-4 RET | H2H | 3 | 83 | 11 | 2 | 54.3% | 96.0% | 76.2% | 0/0 |
| 2003-10-06 | Vienna | Hard | R32 | 31 | Vincent Spadea | 94 | Davide Sanguinetti (Q) | 6-7(4) 6-4 1-0 RET | H2H | 3 | 91 | 6 | 5 | 58.9% | 67.4% | 53.3% | 7/10 |
| 2003-09-29 | Metz | Hard | R16 | 39 | Arnaud Clement (4) | 98 | Davide Sanguinetti | 7-5 7-5 | H2H | 3 | 102 | 11 | 2 | 58.4% | 75.6% | 56.3% | 6/7 |
| 2003-09-29 | Metz | Hard | R32 | 98 | Davide Sanguinetti | 158 | Thomas Enqvist (WC) | 7-5 6-3 | H2H | 3 | 78 | 7 | 0 | 71.4% | 80.0% | 50.0% | 1/2 |
| 2003-09-22 | Bangkok | Hard | R32 | 151 |  Bohdan Ulihrach | 97 | Davide Sanguinetti | 6-2 6-3 | H2H | 3 | 50 | 1 | 2 | 59.5% | 88.0% | 58.8% | 0/0 |
| 2003-09-19 | Davis Cup G1 PO: ZIM vs ITA | Hard | RR | 386 |  Wayne Black | 96 | Davide Sanguinetti | 7-6(2) 6-1 6-3 | H2H | 5 | - | - | - | - | - | - | - |
| 2003-09-19 | Davis Cup G1 PO: ZIM vs ITA | Hard | RR | 96 | Davide Sanguinetti | - | Nigel Badza | 6-1 6-1 | H2H | 3 | - | - | - | - | - | - | - |
