Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| UTR Pro Tennis Series New York | 2022/01/02 15:00 | Mac Kiger v Diogo Marques | 0-0 |
| UTR Pro Tennis Series New York | 2021/12/31 14:00 | Jordan Chrysostom v Diogo Marques | 6-4,5-2 |
| UTR Pro Tennis Series New York | 2021/12/30 16:00 | Michael Sun v Diogo Marques | 6-1,7-5 |
| UTR Pro Tennis Series New York | 2021/12/28 16:00 | Luc Fomba v Diogo Marques | 6-2,6-1 |
| UTR Pro Tennis Series New York | 2021/12/27 20:23 | Diogo Marques v A.trice Pickens | 4-6,6-7 |
| ITF M15 Vero Beach | 2021/10/21 17:00 | Duarte Vale v Diogo Marques | 6-3,6-3 |
| ITF M15 Vero Beach | 2021/10/20 16:00 | Diogo Marques v A.J Catanzariti | 2-6,6-3,6-3 |
| ITF M25 Vero Beach | 2021/10/19 16:00 | Diogo Marques v Nikolay Sysoev | 6-2,6-4 |
| ITF M25 Roehampton | 2022/08/25 12:00 | Edan Leshem v Mark Whitehouse | 6-4,6-2 |
| ITF M25 Roehampton | 2022/08/24 12:50 | George Loffhagen v Mark Whitehouse | 6-3,3-6,2-6 |
| ITF M25 Aldershot | 2022/08/17 11:35 | Patrick Brady v Mark Whitehouse | 6-3,6-2 |
| ITF M25 Nottingham | 2022/08/02 11:30 | Alastair Gray v Mark Whitehouse | 6-4,6-2 |
| ITF M25 Nottingham | 2022/07/27 12:45 | Tristan Schoolkate v Mark Whitehouse | 7-6,6-2 |
| ITF M25 Nottingham | 2022/07/26 14:05 | Mark Whitehouse v Benjamin Pietri | 7-6,6-1 |
| ITF M25 Roehampton | 2022/07/15 12:55 | Mark Whitehouse v Toby Samuel | 3-6,4-6 |
| ITF M25 Roehampton | 2022/07/14 11:30 | Mark Whitehouse v Daniel Cox | 7-6,6-2 |