Stadium: Court 6 Round: 62 Ground: Clay
| ITF M25 Rosario | 2023/06/25 12:00 | Esteban Djinbachian v Matias Riva | 6-7,1-6 |
| ITF M15 Warmbad-Villach | 2023/05/21 07:00 | Matias Riva v Tilen Kovac | 6-7,6-4,9-11 |
| ITF M15 Kalmar | 2023/05/16 09:00 | Markus Bolin v Matias Riva | 6-7,7-6,10-6 |
| ITF M15 Kalmar | 2023/05/15 09:55 | Samuel Veikkolainen Jansson v Matias Riva | 0-6,1-6 |
| ITF M25 Valldoreix | 2023/05/07 14:30 | Matias Riva v Alvaro Bueno Gil | 3-6,5-7 |
| ITF M25 Río Cuarto | 2023/03/05 13:00 | Felipe De Dios v Matias Riva | 6-4,6-1 |
| ITF M15 Tucumán | 2023/02/19 17:00 | Nicolas Bruna v Matias Riva | 6-2,6-3 |
| ITF M15 Cordoba | 2022/11/14 14:00 | Matias Riva v Manuel Mouilleron Salvo | 2-6,4-6 |