Stadium: Court 1 Round: 26 Ground: Clay
| ITF M15 Naples | 2021/10/06 18:50 | Juncheng Shang v Matthew Foster-Estwick | 6-1,6-3 |
| ITF M15 Fayetteville | 2021/09/26 15:00 | Juncheng Shang v Mark Whitehouse | 6-3,6-0 |
| ITF M15 Fayetteville | 2021/09/25 15:00 | Gabi Adrian Boitan v Juncheng Shang | 3-6,5-7 |
| ITF M15 Fayetteville | 2021/09/24 15:00 | Toby Alex Kodat v Juncheng Shang | 6-2,0-6,5-7 |
| ITF M15 Fayetteville | 2021/09/23 15:00 | Juncheng Shang v Finn Bass | 6-2,6-4 |
| ITF M15 Fayetteville | 2021/09/21 17:00 | Nathan Ponwith v Juncheng Shang | 0-6,6-3,5-7 |
| ITF M25 Pensacola | 2021/05/18 16:05 | Juncheng Shang v Oscar Mesquida Berg | 5-7,5-7 |
| ITF M25 Pensacola | 2021/05/17 17:30 | Luis Patino v Juncheng Shang | 2-6,3-6 |
| ITF M15 Naples | 2021/10/06 19:25 | Louroi Martinez v Ryan Harrison | 6-7,3-6 |
| Challenger Barletta | 2021/08/23 11:00 | Luca Potenza v Ryan Harrison | 3-6,6-3,2-6 |
| Challenger Barletta | 2021/08/22 12:50 | Ryan Harrison v Alexis Galarneau | 6-4,6-3 |
| ITF M25 Ueberlingen | 2021/08/20 11:30 | Ryan Harrison v Eduard Esteve Lobato | 1-6,4-6 |
| ITF M25 Ueberlingen | 2021/08/19 15:05 | Jose Fco. Vidal Azorin v Ryan Harrison | 2-6,3-6 |
| ITF M25 Ueberlingen | 2021/08/17 15:00 | Mariano Kestelboim v Ryan Harrison | 3-6,6-4,2-6 |
| Challenger Cary | 2021/07/18 15:00 | Liam Draxl v Ryan Harrison | 3-6,7-6,6-7 |
| ATP Newport | 2021/07/12 16:00 | Alex Bolt v Ryan Harrison | 6-0,6-7,7-5 |