Stadium: Stadium Court 2 Round: 25 Ground: Clay
| Coupe Davis | 2018/04/07 14:00 | Cuevas, Pablo v Souto, David | 7-5,6-4 |
| ITF Argentina F10 | 2017/11/21 18:00 | Espin Busleiman, Geronimo v Souto, David | 7-5,2-6,6-3 |
| Challenger - Buenos Aires - Qualif. | 2017/10/07 18:35 | Souto, David v Gonzalo Villanueva | 4-6,5-7 |
| ITF Argentina F6 | 2017/09/06 14:05 | Federico Coria v Souto, David | 6-3,6-1 |
| ITF Argentina F6 | 2017/09/05 15:55 | Santiago Rodriguez Taverna v Souto, David | 3-6,6-4,6-7 |
| ITF Colombia F3 | 2017/08/03 21:00 | Rodriguez, Cristian v Souto, David | 6-1,6-2 |
| ITF Colombia F3 | 2017/08/02 23:00 | Souto, David v Santos, Nicolas | 6-7,6-3,6-3 |
| ITF Colombia F3 | 2017/08/02 19:30 | Souto, David v Santos, Nicolas | 6-7,6-3,5-3 |
| ITF USA F14 | 2018/06/16 17:10 | Gomez, Lucas v Alex Rybakov | 3-6,2-6 |
| ITF USA F14 | 2018/06/15 16:50 | Martniez, Mateo Nicolas v Alex Rybakov | 7-6,6-7,3-6 |
| ITF USA F14 | 2018/06/14 22:10 | Liam Draxl v Alex Rybakov | 3-6,2-6 |
| ITF USA F14 | 2018/06/12 15:00 | Ismailov, Temur v Alex Rybakov | 4-6,0-6 |
| ITF USA F2 | 2018/01/12 18:00 | Alex Rybakov v Collin Altamirano | 2-6,6-1,2-6 |
| ITF USA F2 | 2018/01/11 18:30 | Alex Rybakov v Evan Zhu | 6-1,6-4 |
| ITF USA F2 | 2018/01/11 00:10 | Ulises Blanch v Alex Rybakov | 4-6,5-7 |
| ITF USA F1 | 2018/01/05 18:00 | Karue Sell v Alex Rybakov | 6-4,6-3 |