Stadium: Court 6 Round: 27 Ground: Hardcourt indoor
| ITF M15 Ithaca | 2021/11/04 13:55 | Luke Johnson v Connor Farren | 6-7,6-3,6-2 |
| ITF M15 Ithaca | 2021/11/03 14:00 | Luke Johnson v Aidan Mayo | 6-0,5-7,6-2 |
| Challenger Brest | 2021/10/24 11:50 | Luke Johnson v Zsombor Piros | 5-7,6-7 |
| ITF M25 Prague | 2021/10/07 08:00 | Max Hans Rehberg v Luke Johnson | 6-4,6-2 |
| ITF M25 Prague | 2021/10/06 09:30 | Luke Johnson v Artem Dubrivnyy | 6-7,6-4,6-2 |
| ITF M15 Forbach | 2021/10/03 12:30 | Luke Johnson v Dan Added | 4-6,6-7 |
| ITF M15 Forbach | 2021/10/02 14:10 | Arnaud Bovy v Luke Johnson | 6-7,1-6 |
| ITF M15 Forbach | 2021/10/01 10:00 | Boris Fassbender v Luke Johnson | 3-6,5-7 |
| ITF M15 Ithaca | 2021/11/04 14:00 | Nico Mostardi v Guy Orly Iradukunda | 6-3,3-6,6-4 |
| ITF M15 Ithaca | 2021/11/03 14:00 | Nico Mostardi v Credit Chaiyarin | 6-4,6-2 |
| ITF M15 Ithaca | 2021/11/02 14:30 | Nico Mostardi v Alexandre Leblanc | 7-6,4-6,7-10 |
| ITF M15 Ithaca | 2021/10/06 16:35 | Nico Mostardi v Charles Broom | 1-6,6-7 |
| UTR Pro Tennis Series Dallas | 2021/08/08 15:30 | Evan Zhu v Nico Mostardi | 6-4,5-0 |
| UTR Pro Tennis Series Dallas | 2021/08/07 13:00 | Wyatt DeMulling v Nico Mostardi | 5-7,5-6 |
| UTR Pro Tennis Series Dallas | 2021/08/05 14:30 | Nico Mostardi v Nicolas Acevedo | 2-6,2-6 |
| UTR Pro Tennis Series Dallas | 2021/08/04 14:30 | Nico Mostardi v Top Nidunjianzan | 7-6,3-6,6-1 |