Stadium: Court 3 Round: 26 Ground: Hardcourt indoor
| ITF M15 East Lansing | 2021/11/17 20:00 | Brandon Walkin v Ronald Hohmann | 6-7,2-6 |
| ITF M15 East Lansing | 2021/11/16 15:00 | Alexandre Leblanc v Ronald Hohmann | 7-6,5-7,4-10 |
| ITF M15 East Lansing | 2021/11/15 18:00 | Joshua Goodger v Ronald Hohmann | 6-4,4-6,3-10 |
| ITF M25 Vero Beach | 2021/10/19 16:00 | Cooper Williams v Ronald Hohmann | 7-5,7-5 |
| ITF M25 Vero Beach | 2021/10/18 16:00 | Matej Panik v Ronald Hohmann | 4-6,1-6 |
| UTR Pro Tennis Series Dallas | 2021/08/07 15:00 | Ronald Hohmann v Stefan Latinov | 2-6,6-2,1-6 |
| UTR Pro Tennis Series Dallas | 2021/08/06 17:30 | Ronald Hohmann v William Grant | 6-3,3-6,4-5 |
| UTR Pro Tennis Series Dallas | 2021/08/04 13:00 | Ronald Hohmann v Kenner Taylor | 6-3,6-4 |
| ITF M15 East Lansing | 2021/11/17 18:00 | William Bushamuka v Alex Knaff | 2-6,6-7 |
| 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 | Blu Baker 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 |