| 2026-02-06 | Davis Cup QLS R1: ECU vs AUS | Clay | RR | 201 |  Alvaro Guillen Meza | 103 |  Rinky Hijikata | 6-4 1-6 6-4 | H2H | 3 | 119 | 7 | 8 | 54.1% | 76.1% | 38.5% | 6/9 |
| 2025-07-21 | Umag | Clay | R32 | 156 |  Stan Wawrinka | 244 | Alvaro Guillen Meza (Q) | 6-4 6-1 | H2H | 3 | 73 | 0 | 0 | 58.0% | 69.0% | 57.1% | 4/6 |
| 2025-02-01 | Davis Cup WG1 PO: ECU vs URU | Hard | RR | 372 |  Franco Roncadelli | 257 | Alvaro Guillen Meza | 7-6(6) 6-0 | H2H | 3 | - | - | - | - | - | - | - |
| 2025-09-12 | Davis Cup WG1 R1: ECU vs BIH | Clay | RR | 237 | Alvaro Guillen Meza | 239 |  Nerman Fatic | 6-4 7-6(0) | H2H | 3 | 117 | 4 | 3 | 72.1% | 84.1% | 58.8% | 4/5 |
| 2025-09-12 | Davis Cup WG1 R1: ECU vs BIH | Clay | RR | 237 | Alvaro Guillen Meza | 68 | Damir Dzumhur | 6-2 6-1 | H2H | 3 | 81 | 0 | 3 | 63.4% | 76.9% | 46.7% | 1/2 |
| 2024-02-02 | Davis Cup WG1 PO: EGY vs ECU | Clay | RR | 358 |  Mohamed Safwat | 312 | Alvaro Guillen Meza | 4-6 7-6(6) 7-6(6) | H2H | 3 | 216 | 2 | 2 | 57.8% | 67.9% | 40.4% | 9/15 |
| 2023-02-04 | Davis Cup WG1 PO: GRE vs ECU | Hard | RR | 3 |  Stefanos Tsitsipas | 731 | Alvaro Guillen Meza | 7-5 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 2023-09-15 | Davis Cup WG2 R1: MON vs ECU | Clay | RR | 387 | Alvaro Guillen Meza | 317 |  Valentin Vacherot | 3-6 7-6(4) 7-6(4) | H2H | 3 | - | - | - | - | - | - | - |
