Stadium: Court 10 Round: 25 Ground: Hardcourt outdoor
| ITF - M25 Naples | 2021/02/15 16:00 | Evan Zhu v Justin Roberts | 2-6,7-6,10-2 |
| ITF USA F20 Qual | 2016/06/20 17:00 | Justin Roberts v Evan Zhu | 3-6,6-3,3-6 |
| ITF - M25 Santo Domingo | 2021/06/01 12:50 | Justin Roberts v Pontoglio, Davide | 4-6,1-6 |
| ITF - M25 Santo Domingo | 2021/05/31 13:00 | Justin Roberts v Juan Sebastian Osorio | 6-3,7-6 |
| ITF - M15 Tbilisi | 2021/05/21 06:00 | Bega, Alessandro v Justin Roberts | 6-4,6-2 |
| ITF - M15 Tbilisi | 2021/05/20 06:00 | Sarp Agabigun v Justin Roberts | 4-6,6-2,6-7 |
| ITF - M15 Tbilisi | 2021/05/18 07:30 | Justin Roberts v Aleksandre Metreveli | 6-3,6-2 |
| ITF M15 Jerusalem | 2021/05/14 09:40 | Edan Leshem v Justin Roberts | 6-4,6-3 |
| ITF M15 Jerusalem | 2021/05/13 07:00 | Justin Roberts v Deviatiarov, Marat | 6-1,6-2 |
| ITF M15 Jerusalem | 2021/05/12 07:00 | Justin Roberts v Bergevi, Filip | 6-3,6-4 |
| ITF - M25 Santo Domingo | 2021/06/01 15:25 | Shintaro Imai v Evan Zhu | 6-3,6-3 |
| ITF - M25 Pensacola | 2021/05/19 14:30 | Evan Zhu v Christian Harrison | 3-6,6-4,1-6 |
| ITF - M15 Monastir | 2021/04/21 08:30 | Evan Zhu v Eliakim Coulibaly | 3-6,3-6 |
| ITF - M15 Monastir | 2021/04/13 09:30 | Shintaro Imai v Evan Zhu | 6-4,6-7,6-0 |
| ITF - M15 Monastir | 2021/04/10 08:30 | Antoine Escoffier v Evan Zhu | 6-4,6-0 |
| ITF - M15 Monastir | 2021/04/09 08:30 | Evan Zhu v Eliakim Coulibaly | 6-3,3-6,6-3 |
| ITF - M15 Monastir | 2021/04/08 11:30 | Balzerani, Riccardo v Evan Zhu | 0-6,7-6,3-6 |
| ITF - M15 Monastir | 2021/04/06 09:00 | Alex Barrena v Evan Zhu | 2-6,6-7 |