Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Champaign | 2021/09/17 15:00 | Nathan Ponwith v Martin Damm | 6-7,4-6 |
| ITF M15 Champaign | 2021/09/16 17:00 | Nathan Ponwith v Blaise Bicknell | 6-2,6-4 |
| ITF M15 Champaign | 2021/09/15 19:40 | Ryan Shane v Nathan Ponwith | 5-7,2-6 |
| ITF M25 Decatur | 2021/08/04 18:45 | Yunseong Chung v Nathan Ponwith | 6-2,6-1 |
| ITF M25 Decatur | 2021/08/03 16:20 | Alexander Petrov v Nathan Ponwith | 2-6,4-6 |
| ITF M25 Decatur | 2021/08/02 15:00 | Toby D. Boyer v Nathan Ponwith | 1-6,3-6 |
| ITF M25 Champaign | 2021/07/28 21:45 | Naoki Nakagawa v Nathan Ponwith | 4-6,7-5,6-2 |
| ITF M25 Champaign | 2021/07/27 17:05 | Nathan Ponwith v Jibril Nettles | 7-5,6-2 |
| 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 |
| ATP Miami | 2021/03/22 14:00 | Juncheng Shang v Liam Broady | 6-4,1-6,6-7 |
| Battle of Bradenton | 2020/06/20 16:30 | Axel Geller v Juncheng Shang | 6-7,6-0,1-0 |
| Battle of Bradenton | 2020/06/19 15:20 | Peter Polansky v Juncheng Shang | 4-6,2-6 |
| Battle of Bradenton | 2020/06/18 13:30 | Sebastian Korda v Juncheng Shang | 6-3,6-0 |
| Battle of Bradenton | 2020/06/13 14:00 | Patrick Kypson v Juncheng Shang | 6-3,6-4 |
| Battle of Bradenton | 2020/06/12 14:00 | Vasil Kirkov v Juncheng Shang | 6-1,6-2 |