Stadium: Court 3 Round: 25 Ground: Hardcourt indoor
| ITF - M15 Vero Beach | 2021/10/21 20:15 | Bushamuka, William v Juncheng Shang | 4-6,3-6 |
| ITF - M15 Vero Beach | 2021/10/20 21:35 | Carnevale-Miino, Tommaso v Bushamuka, William | 3-6,5-7 |
| ITF M15 Ithaca | 2021/10/06 15:55 | Keegan Smith v Bushamuka, William | 4-6,6-4,6-3 |
| ITF M15 Lubbock | 2021/09/29 17:20 | Bushamuka, William v Patten, Henry | 1-6,2-6 |
| Battle of Bradenton | 2020/07/04 14:00 | Kirkov, Vasil v Bushamuka, William | 7-5,6-2 |
| Battle of Bradenton | 2020/06/27 13:00 | Bushamuka, William v Andres Andrade | 6-1,6-4 |
| Battle of Bradenton | 2020/06/26 14:30 | Bushamuka, William v Murillo, Sebastian | 6-3,1-6,3-10 |
| Battle of Bradenton | 2020/06/25 14:00 | Sebastian Korda v Bushamuka, William | 6-3,6-1 |
| ITF M15 East Lansing | 2021/11/16 16:00 | Joshua Sheehy v Alex Knaff | 3-6,2-6 |
| ITF M15 Ithaca | 2021/11/04 13:55 | Felix Corwin v Alex Knaff | 5-7,7-6,7-5 |
| ITF M15 Ithaca | 2021/11/03 15:30 | Radu Mihai Papoe v Alex Knaff | 6-4,3-6,0-6 |
| ITF M15 Tallahassee | 2021/10/27 13:55 | Alex Knaff v Sho Shimabukuro | 4-6,6-4,4-6 |
| ITF M15 Tallahassee | 2021/10/26 13:00 | Baker, Blu v Alex Knaff | 6-7,5-7 |
| ITF M15 Tallahassee | 2021/10/25 13:00 | Alex Knaff v Matthew Dellavedova | 6-4,6-2 |
| ITF M25 Setubal | 2021/10/05 10:00 | Arthur Cazaux v Alex Knaff | 6-1,6-7,10-5 |
| ITF M25 Setubal | 2021/10/04 10:00 | Katticaren, Aditya v Alex Knaff | 0-6,0-6 |