Stadium: Court 1 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Champaign | 2021/07/28 19:50 | Gijs Brouwer v Evan Zhu | 6-3,6-1 |
| ITF M15 Edwardsville | 2021/07/21 14:00 | Eliot Spizzirri v Evan Zhu | 7-5,6-1 |
| ITF M15 Weston | 2021/07/01 13:00 | Stefan Kozlov v Evan Zhu | 6-3,3-6,6-1 |
| ITF M25 Tulsa | 2021/06/15 13:55 | Evan Zhu v Matias Soto | 4-6,6-4,14-16 |
| ITF M25 Tulsa | 2021/06/14 15:00 | Evan Zhu v Chad Kissell | 7-6,7-6 |
| ITF M25 Santo Domingo | 2021/06/11 13:25 | Peter Bertran v Evan Zhu | 6-4,3-6,6-4 |
| ITF M25 Santo Domingo | 2021/06/10 12:50 | Evan Zhu v Diego Hidalgo | 6-2,6-3 |
| ITF M25 Santo Domingo | 2021/06/08 15:05 | Justin Roberts v Evan Zhu | 6-4,3-6,4-6 |
| 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 |
| ITF M25 Wichita | 2021/06/07 15:00 | Yi Jui Lo v Preston Brown | 2-6,0-6 |
| ITF M15 New Delhi | 2021/03/31 07:50 | Manish Sureshkumar v Preston Brown | 6-3,6-3 |
| ITF M15 New Delhi | 2021/03/30 05:45 | Suraj R Prabodh v Preston Brown | 7-5,6-4 |