Stadium: Court 6 Round: 25 Ground: Hardcourt indoor
| Brest, France | 2021/10/24 11:50 | Johnson, Luke v Zsombor Piros | 5-7,6-7 |
| ITF M25 Prague | 2021/10/07 08:00 | Max Hans Rehberg v Johnson, Luke | 6-4,6-2 |
| ITF M25 Prague | 2021/10/06 09:30 | Johnson, Luke v Dubrivnyy, Artem | 6-7,6-4,6-2 |
| ITF M15 Forbach | 2021/10/03 12:30 | Johnson, Luke v Dan Added | 4-6,6-7 |
| ITF M15 Forbach | 2021/10/02 14:10 | Bovy, Arnaud v Johnson, Luke | 6-7,1-6 |
| ITF M15 Forbach | 2021/10/01 10:00 | Boris Fassbender v Johnson, Luke | 3-6,5-7 |
| ITF M15 Forbach | 2021/09/30 12:15 | Maxence Beauge v Johnson, Luke | 3-6,0-6 |
| ITF M15 Forbach | 2021/09/29 12:20 | Oscar Moraing v Johnson, Luke | 3-6,2-6 |
| ITF - M25 Calabasas | 2021/10/27 00:45 | Aidan Mayo v Nanda, Govind | 2-6,2-6 |
| UTR Pro Tennis Series California | 2021/09/01 15:00 | Maximilian Wild v Aidan Mayo | 3-6,5-6 |
| UTR Pro Tennis Series California | 2021/08/30 18:00 | Keenan Mayo v Aidan Mayo | 3-6,4-5 |
| UTR Pro Tennis Series California | 2021/08/29 21:30 | Aidan Mayo v Ryan Nuno | 6-2,6-3 |
| ITF - M15 Monastir | 2021/06/24 08:30 | Imanol L Morillo v Aidan Mayo | 6-3,6-3 |
| ITF - M15 Monastir | 2021/06/23 10:30 | Aidan Mayo v van Emburgh, Jake | 4-6,6-1,6-4 |
| ITF - M15 Monastir | 2021/06/21 12:30 | Aidan Mayo v de Maio, Mauro | 6-2,7-6 |
| ITF - M15 Monastir | 2021/06/21 08:00 | Aidan Mayo v Nicolas Bruna | 6-4,7-6 |