| Challenger Las Vegas | 2021/10/24 17:00 | Nick Chappell v Roy Smith | 7-6,6-7,6-2 |
| ITF M15 Cancun | 2021/10/12 17:00 | Roy Smith v Jesse Flores | 4-6,2-6 |
| ITF M15 Ithaca | 2021/10/06 18:35 | Roy Smith v Ryan Shane | 5-7,3-6 |
| ITF M15 Castelo Branco | 2021/07/29 14:05 | Clement Chidekh v Roy Smith | 6-4,7-5 |
| ITF M15 Castelo Branco | 2021/07/28 15:30 | Ben Jones v Roy Smith | 1-6,4-6 |
| ITF M25 Idanha-A-Nova | 2021/07/22 08:00 | Gilbert S K Junior v Roy Smith | 6-3,6-2 |
| ITF M25 Idanha-A-Nova | 2021/07/14 11:05 | Roy Smith v Tiago Cacao | 5-7,6-3,6-7 |
| ITF M15 Champaign | 2021/06/23 21:50 | Roy Smith v Thomaz Bellucci | 6-7,3-6 |