stadio: COURT 6 Round: 44 Ground: Hardcourt outdoor
| ITF M25 Decatur | 2021/08/04 16:55 | Preston Brown v Eliot Spizzirri | 0-6,3-6 |
| ITF M25 Decatur | 2021/08/03 15:00 | Preston Brown v Connor Farren | 6-4,6-3 |
| ITF M25 Decatur | 2021/08/02 15:00 | Evan Zhu v Preston Brown | 2-6,2-6 |
| ITF M15 Edwardsville | 2021/07/19 14:00 | Preston Brown v Nicaise Muamba | 6-3,6-3 |
| ITF M15 Champaign | 2021/06/22 15:00 | Victor Lilov v Preston Brown | 7-5,6-0 |
| ITF M15 Champaign | 2021/06/21 15:00 | Preston Brown v Chad Kissell | 6-4,6-4 |
| ITF M25 Wichita | 2021/06/09 21:00 | Preston Brown v Genaro Alberto Olivieri | 3-6,1-6 |
| ITF M25 Wichita | 2021/06/08 17:40 | Murphy Cassone v Preston Brown | 6-3,6-7,6-10 |