Stadium: Court 17 Round: 54 Ground: Clay
| ITF - M25 Santo Domingo | 2021/06/08 14:00 | Kohen, Alan v Hernandez Ramirez, Sergio Luis | 2-6,6-2,7-10 |
| ITF - M25 Santo Domingo | 2021/06/01 13:00 | Kohen, Alan v Seelig, Kyle | 6-7,3-6 |
| ITF - M25 Santo Domingo | 2021/05/31 15:30 | Kohen, Alan v Dickson, Samuel | 6-2,6-1 |
| ITF M25 Pensacola | 2021/05/18 14:30 | Nicolas Kicker v Kohen, Alan | 6-1,6-1 |
| ITF M25 Pensacola | 2021/05/17 15:30 | Federico Agustin Gomez v Kohen, Alan | 6-3,2-6,6-10 |
| ITF - M25 Naples | 2021/02/22 16:00 | Rodriguez-Pace, Ricardo v Kohen, Alan | 6-7,6-4,10-7 |
| ITF - M25 Naples | 2021/02/15 16:00 | Rodriguez-Pace, Ricardo v Kohen, Alan | 6-0,7-6 |
| Matchplay 120 | 2020/07/07 14:00 | Kohen, Alan v Martinez, Luis David | 6-3,6-4 |
| ITF M15 Champaign | 2021/06/21 15:00 | Farren, Connor v Joshua Sheehy | 6-3,6-4 |
| Tulsa, Singles Main, M-ITF-USA-16A | 2021/06/14 18:00 | Nathan Ponwith v Joshua Sheehy | 6-3,6-4 |
| ITF M25 Wichita | 2021/06/07 15:00 | Matt Kuhar v Joshua Sheehy | 6-4,7-6 |
| UTR Pro Tennis Series California | 2021/05/23 15:00 | Kyle Kang v Joshua Sheehy | 7-5,6-3 |
| UTR Pro Tennis Series Cancun | 2021/04/03 15:00 | Joshua Sheehy v Drew Van Orderlain | 6-2,6-4 |
| UTR Pro Tennis Series Cancun | 2021/04/01 14:30 | Joshua Sheehy v Wilson Leite | 6-7,6-4,5-6 |
| UTR Pro Tennis Series Cancun | 2021/03/31 15:00 | Joshua Sheehy v Jean-Baptiste Badon | 6-4,7-5 |
| UTR Pro Tennis Series Cancun | 2021/03/30 13:00 | Joshua Sheehy v Juan Sebastian Gomez | 2-6,1-5 |