Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2021/04/27 09:55 | Mariano Kestelboim v Eminefendic, Ervin Haris | 6-3,6-0 |
| ITF M15 Cordoba | 2021/04/10 14:30 | Gonzalo Lama v Mariano Kestelboim | 6-4,6-4 |
| ITF M15 Cordoba | 2021/04/08 13:00 | Dhoe, Benjamin v Mariano Kestelboim | 2-6,1-6 |
| ITF M15 Cordoba | 2021/04/06 14:45 | Santiago De La Fuente v Mariano Kestelboim | 2-6,1-6 |
| ITF - M15 Villa Maria | 2021/04/02 13:55 | Mariano Kestelboim v Hernan Casanova | 6-1,4-6,2-6 |
| ITF - M15 Villa Maria | 2021/04/01 15:30 | Mariano Kestelboim v Dhoe, Benjamin | 6-3,6-3 |
| ITF - M15 Villa Maria | 2021/03/31 15:10 | Mariano Kestelboim v Franco Emanuel Egea | 6-1,6-4 |
| ATP - Cordoba | 2021/02/20 13:00 | Mariano Kestelboim v Camilo Ugo Carabelli | 0-6,4-6 |
| ITF - M15 Monastir | 2021/04/28 08:30 | Kawahashi, Yuta v Guido Ivan Justo | 6-4,6-2 |
| ITF - M15 Monastir | 2021/04/26 13:30 | Kawahashi, Yuta v Marcello Serafini | 6-3,6-1 |
| ITF - M15 Monastir | 2021/04/26 09:00 | Kawahashi, Yuta v Davies, George | 6-2,6-3 |
| ITF - M15 Monastir | 2021/04/25 11:30 | Kawahashi, Yuta v Knoess, Vincent | 6-0,6-2 |
| ITF - M15 Monastir | 2021/04/18 11:00 | Coelho, Fabio v Kawahashi, Yuta | 2-6,6-3,10-7 |
| ITF - M15 Monastir | 2021/04/14 09:40 | Neuchrist, Maximilian v Kawahashi, Yuta | 6-7,6-3,6-1 |
| ITF - M15 Monastir | 2021/04/12 12:30 | Remy Bertola v Kawahashi, Yuta | 4-6,3-6 |
| ITF - M15 Monastir | 2021/04/12 08:00 | Janis, Jason v Kawahashi, Yuta | 1-6,4-6 |