Stadium: Court 1N Round: 28 Ground: Hardcourt outdoor
| ITF M15 Champaign | 2021/09/17 15:00 | John McNally v Omni Kumar | 5-7,6-4,6-2 |
| ITF M15 Champaign | 2021/09/16 15:00 | John McNally v Yasha Zemel | 6-3,7-6 |
| ITF M15 Champaign | 2021/09/15 16:55 | John McNally v Jake Van Emburgh | 6-4,7-6 |
| ITF M25 Tulsa | 2021/06/16 01:10 | John McNally v Sekou Bangoura | 6-7,6-3,4-6 |
| ITF M25 Wichita | 2021/06/10 15:00 | Govind Nanda v John McNally | 6-7,7-6,6-3 |
| ITF M25 Wichita | 2021/06/09 21:00 | John McNally v Alexander Brown | 6-4,6-2 |
| Challenger Columbus | 2020/02/24 15:00 | John McNally v Roberto Quiroz | 6-7,6-7 |
| Challenger Ann Arbor | 2020/01/09 21:10 | Bjorn Fratangelo v John McNally | 6-3,6-3 |
| ITF M15 Champaign | 2021/09/17 15:00 | Nathan Ponwith v Martin Damm | 6-7,4-6 |
| ITF M15 Champaign | 2021/09/16 17:30 | Tyler Zink v Martin Damm | 6-7,4-6 |
| ITF M15 Champaign | 2021/09/15 20:45 | Perry Gregg v Martin Damm | 5-7,0-6 |
| ITF M25 Champaign | 2021/07/28 19:10 | Martin Damm v Jumpei Yamasaki | 6-7,6-7 |
| ITF M15 Edwardsville | 2021/07/21 22:10 | Martin Damm v Cannon Kingsley | 3-6,4-6 |
| ITF M25 Klosters | 2021/06/22 08:30 | Martin Damm v Henry V-D Schulenburg | 4-6,4-6 |
| ITF M15 Skopje | 2021/06/11 10:30 | Martin Damm v Simone Roncalli | 3-6,0-6 |
| ITF M15 Skopje | 2021/06/10 10:30 | Martin Damm v Stefan Micov | 6-4,3-6,6-2 |