Stadium: Court 5 Round: 25 Ground: Hardcourt indoor
| ITF M25 Austin | 2021/11/16 20:50 | Mark Whitehouse v Juan Carlos Aguilar | 7-6,3-6,1-6 |
| ITF M25 Harlingen | 2021/11/10 19:00 | Mark Whitehouse v Yuta Kikuchi | 3-6,0-6 |
| ITF M15 Fayetteville | 2021/11/04 16:45 | Bruno Kuzuhara v Mark Whitehouse | 6-4,6-4 |
| ITF M15 Fayetteville | 2021/11/02 17:00 | Kody Pearson v Mark Whitehouse | 6-7,5-7 |
| ITF M25 Calabasas | 2021/10/27 16:55 | Mark Whitehouse v Zachary Svajda | 3-6,1-6 |
| ITF M15 Ithaca | 2021/10/06 16:40 | Mark Whitehouse v Eduardo Nava | 6-7,2-6 |
| ITF M15 Lubbock | 2021/10/01 16:30 | Mark Whitehouse v Sven Lah | 2-6,2-6 |
| ITF M15 Lubbock | 2021/09/30 17:50 | Mark Whitehouse v Chanchai Sookton-Eng | 6-4,6-1 |
| ITF M15 Santo Domingo | 2021/12/08 13:30 | Johannes Ingildsen v Colin Markes | 7-6,6-7,6-7 |
| ITF M15 Santo Domingo | 2021/12/05 17:30 | Johannes Ingildsen v Jorge Panta | 6-4,6-3 |
| ITF M15 Santo Domingo | 2021/12/04 13:30 | Johannes Ingildsen v Marco Brugnerotto | 6-3,7-6 |
| ITF M15 Santo Domingo | 2021/12/03 16:20 | Felix Corwin v Johannes Ingildsen | 3-6,3-6 |
| ITF M15 Santo Domingo | 2021/12/02 19:10 | Johannes Ingildsen v Sebastian Gima | 7-6,4-6,6-4 |
| ITF M15 Santo Domingo | 2021/12/01 15:00 | Gonzalo Achondo v Johannes Ingildsen | 1-6,0-6 |
| ITF M15 East Lansing | 2021/11/16 16:00 | Johannes Ingildsen v Matt Kuhar | 2-6,6-4,11-13 |
| ITF M15 Fayetteville | 2021/11/04 15:00 | Charles Broom v Johannes Ingildsen | 6-4,4-6,7-6 |