| 2021-09-18 | Davis Cup WG1 R1: POR vs ROU | Hard | RR | 250 |  Marius Copil | 215 |  Gastao Elias | 6-4 6-3 | H2H | 3 | 81 | 11 | 2 | 56.8% | 96.0% | 68.4% | 1/1 |
| 2018-07-30 | Cabo San Lucas | Hard | R32 | 247 |  Yoshihito Nishioka (PR) | 127 | Gastao Elias | 6-4 6-3 | H2H | 3 | 84 | 0 | 0 | 71.6% | 66.7% | 57.9% | 6/8 |
| 2018-07-02 | Wimbledon | Grass | R128 | 65 |  Guillermo Garcia-Lopez | 118 | Gastao Elias | 6-2 6-4 6-2 | H2H | 5 | 121 | 0 | 5 | 60.6% | 78.9% | 43.2% | 9/10 |
| 2018-04-30 | Estoril | Clay | R32 | 111 |  Alex de Minaur (WC) | 108 | Gastao Elias | 6-3 6-1 | H2H | 3 | 86 | 0 | 3 | 61.3% | 73.7% | 54.2% | 9/9 |
| 2018-04-06 | Davis Cup G1 R2: POR vs SWE | Hard | RR | 133 |  Elias Ymer | 106 | Gastao Elias | 7-6(11) 6-4 | H2H | 3 | 103 | 4 | 0 | 60.8% | 81.3% | 54.8% | 2/3 |
| 2018-04-06 | Davis Cup G1 R2: POR vs SWE | Hard | RR | 355 | Mikael Ymer | 106 | Gastao Elias | 6-3 6-4 | H2H | 3 | 96 | 5 | 4 | 71.6% | 67.9% | 38.1% | 5/7 |
| 2018-02-26 | Sao Paulo | Clay | R32 | 49 |  Leonardo Mayer (5) | 102 | Gastao Elias | 5-7 7-6(10) 7-6(5) | H2H | 3 | 179 | 6 | 4 | 63.3% | 70.4% | 59.6% | 6/9 |
| 2018-02-19 | Rio De Janeiro | Clay | R16 | 33 |  Pablo Cuevas (7) | 114 | Gastao Elias (LL) | 7-5 6-1 | H2H | 3 | 96 | 1 | 3 | 64.8% | 74.3% | 52.6% | 1/3 |
| 2018-02-19 | Rio De Janeiro | Clay | R32 | 114 | Gastao Elias (LL) | 55 | Guido Pella | 6-4 5-7 7-5 | H2H | 3 | 172 | 4 | 5 | 51.9% | 69.6% | 46.2% | 4/9 |
| 2018-02-12 | Buenos Aires | Clay | R32 | 114 | Gastao Elias (LL) | 76 | Roberto Carballes Baena (SE) | 6-2 6-4 | H2H | 3 | 87 | 4 | 3 | 57.1% | 75.0% | 45.8% | 3/4 |
