Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Ithaca | 2021/10/05 13:00 | Joshua Sheehy v Sebastian Dominko | 4-6,6-7 |
| ITF M15 Cancún | 2021/09/30 14:30 | Joshua Sheehy v Emil Reinberg | 2-6,6-4,3-6 |
| ITF M15 Cancún | 2021/09/29 17:55 | Joshua Sheehy v Joao Victor C Loureiro | 7-6,4-6,6-4 |
| ITF M15 Cancún | 2021/09/28 14:00 | Joshua Sheehy v Federico Agustin Gomez | 3-6,4-6 |
| ITF M15 Cancún | 2021/09/22 20:45 | Joshua Sheehy v Juan A H Serrano | 3-6,2-6 |
| ITF M25 Champaign | 2021/09/14 17:00 | Emile Hudd v Joshua Sheehy | 6-4,6-2 |
| ITF M15 Monastir | 2021/08/15 07:30 | Joshua Sheehy v Blake Ellis | 5-7,4-6 |
| ITF M15 Monastir | 2021/08/08 09:30 | Joshua Sheehy v Coleman Wong | 3-6,5-7 |
| ITF M15 Ithaca | 2021/10/06 13:00 | Kyle Seelig v Petro Orlando Fellin | 6-1,7-5 |
| ITF M15 Ithaca | 2021/10/05 13:00 | Petro Orlando Fellin v Ishaan Ravichander | 1-6,6-4,10-4 |
| ITF M25 Caslano | 2021/08/25 08:30 | Leandro Riedi v Petro Orlando Fellin | 7-6,6-2 |
| ITF M25 Caslano | 2021/08/24 07:25 | Joao Riquelme v Petro Orlando Fellin | 4-6,1-6 |
| ITF M25 Caslano | 2021/08/23 09:30 | Gabriele Datei v Petro Orlando Fellin | 1-6,7-6,2-10 |
| ITF M25 Überlingen | 2021/08/17 09:20 | Petro Orlando Fellin v Florian Broska | 6-4,1-6,8-10 |
| ITF M15 Pärnu | 2021/08/04 12:30 | Michal Mikula v Petro Orlando Fellin | 6-2,6-0 |
| ITF M15 Pärnu | 2021/08/03 07:00 | Christoffer Solberg v Petro Orlando Fellin | 3-6,4-6 |