| 2005-09-23 | Davis Cup G2 F: URU vs BRA | Clay | RR | 496 |  Pablo Cuevas | 297 |  Gustavo Kuerten | 7-6(5) RET | H2H | 5 | - | - | - | - | - | - | - |
| 2005-09-23 | Davis Cup G2 F: URU vs BRA | Clay | RR | 297 | Gustavo Kuerten | 488 | Marcel Felder | 6-1 6-0 3-6 6-4 | H2H | 5 | - | - | - | - | - | - | - |
| 2005-08-29 | US Open | Hard | R64 | 20 |  Tommy Robredo (19) | 357 | Gustavo Kuerten | 5-7 7-6(3) 6-3 6-2 | H2H | 5 | 163 | 15 | 6 | 65.3% | 85.2% | 58.1% | 4/5 |
| 2005-08-29 | US Open | Hard | R128 | 357 | Gustavo Kuerten | 65 |  Paul Goldstein | 6-2 6-7(5) 6-3 7-6(3) | H2H | 5 | 179 | 35 | 7 | 49.7% | 86.7% | 51.3% | 7/7 |
| 2005-08-01 | Sopot | Clay | R32 | 9 |  Guillermo Coria (3) | 288 | Gustavo Kuerten (WC) | 6-3 4-0 RET | H2H | 3 | 45 | 2 | 1 | 66.7% | 72.7% | 54.5% | 1/2 |
| 2005-07-25 | Umag | Clay | R32 | 16 | Tommy Robredo (3) | 202 | Gustavo Kuerten (WC) | 6-4 6-4 | H2H | 3 | 89 | 3 | 5 | 59.0% | 72.2% | 40.0% | 4/7 |
| 2005-07-18 | Stuttgart | Clay | R64 | 167 | Hugo Armando (Q) | 208 | Gustavo Kuerten | 6-4 6-1 | H2H | 3 | 79 | 3 | 1 | 53.1% | 79.4% | 43.3% | 4/5 |
| 2005-07-15 | Davis Cup G2 R2: BRA vs AHO | Clay | RR | 209 | Gustavo Kuerten | - | AHOAlexander Blom | 6-1 6-3 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 2005-07-15 | Davis Cup G2 R2: BRA vs AHO | Clay | RR | 209 | Gustavo Kuerten | - | AHORaoul Behr | 6-0 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 2005-05-23 | Roland Garros | Clay | R128 | 138 | David Sanchez | 94 | Gustavo Kuerten | 6-3 6-0 4-6 6-1 | H2H | 5 | 124 | 1 | 0 | 52.1% | 77.6% | 66.7% | 7/8 |
