Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2021/05/04 13:10 | Mariano Kestelboim v Alibek Kachmazov | 6-1,6-7,3-6 |
| ITF - M15 Monastir | 2021/04/29 11:20 | Mariano Kestelboim v Yuta Kawahashi | 1-6,1-6 |
| ITF - M15 Monastir | 2021/04/27 09:55 | Mariano Kestelboim v Ervin H Eminefendic | 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 | Benjamin Dhoe 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 Benjamin Dhoe | 6-3,6-3 |
| ITF - M15 Monastir | 2021/05/04 10:30 | Yunseong Chung v Brandon Holt | 3-6,3-6 |
| ITF - M15 Monastir | 2021/05/01 08:30 | Benjamin Pietri v Yunseong Chung | 6-2,3-6,6-4 |
| ITF - M15 Monastir | 2021/04/30 08:25 | Yunseong Chung v Gilbert S K Junior | 6-2,3-6,6-1 |
| ITF - M15 Monastir | 2021/04/29 08:30 | Yunseong Chung v Fabio Coelho | 6-1,3-6,7-6 |
| ITF - M15 Monastir | 2021/04/27 08:30 | Yunseong Chung v Omar Giacalone | 6-3,6-7,6-2 |
| ITF - M15 Monastir | 2021/04/22 10:15 | Eliakim Coulibaly v Yunseong Chung | 5-7,3-6 |
| ITF - M15 Monastir | 2021/04/21 08:30 | Giorgio Ricca v Yunseong Chung | 3-6,3-6 |
| ITF - M15 Antalya | 2021/03/04 08:35 | Yunseong Chung v Sebastian Gima | 6-7,6-2,2-6 |