Stadium: Court 10 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2021/10/19 14:00 | Jesse Flores v Matic Spec | 3-6,5-7 |
| ITF M15 Cancun | 2021/10/14 14:00 | Matic Spec v Sho Shimabukuro | 6-7,7-6,4-6 |
| ITF M15 Cancun | 2021/10/13 20:45 | Matic Spec v Jack Gibbens | 6-0,6-3 |
| ITF M15 Cancun | 2021/10/07 20:05 | Matic Spec v Jesse Flores | 7-6,5-7,6-7 |
| ITF M15 Cancun | 2021/10/05 21:40 | Matias Franco Descotte v Matic Spec | 6-4,3-6,2-6 |
| ITF M15 Cancun | 2021/09/30 19:25 | Victor Lilov v Matic Spec | 6-4,6-4 |
| ITF M15 Cancun | 2021/09/28 17:00 | Ivar Jose Aramburu Contreras v Matic Spec | 5-7,3-6 |
| ITF M15 Bad Waltersdorf | 2021/09/05 08:00 | Matic Spec v Timo Stodder | 3-6,4-6 |
| ITF M15 Ithaca | 2021/10/05 13:00 | Joshua Sheehy v Sebastian Dominko | 4-6,6-7 |
| ITF M15 Cancun | 2021/09/30 14:30 | Joshua Sheehy v Emil Reinberg | 2-6,6-4,3-6 |
| ITF M15 Cancun | 2021/09/29 17:55 | Joshua Sheehy v Joao Victor C Loureiro | 7-6,4-6,6-4 |
| ITF M15 Cancun | 2021/09/28 14:00 | Joshua Sheehy v Federico Agustin Gomez | 3-6,4-6 |
| ITF M15 Cancun | 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 |