Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| Challenger Rome GA | 2023/02/19 17:00 | Shinji Hazawa v Garrett Johns | 5-7,6-4,6-4 |
| ITF M25 Malibu | 2023/01/07 18:00 | Garrett Johns v Alex Michelsen | 0-6,4-6 |
| ITF M25 Malibu | 2023/01/06 18:00 | Alex Kuperstein v Garrett Johns | 4-6,0-6 |
| ITF M25 Malibu | 2023/01/05 22:00 | Bryce Nakashima v Garrett Johns | 1-6,2-6 |
| ITF M15 Winston-Salem | 2022/11/09 19:15 | Garrett Johns v James Story | 6-3,1-6,2-6 |
| Challenger Charleston | 2022/09/28 14:00 | Giovanni Oradini v Garrett Johns | 6-3,6-3 |
| Challenger Charleston | 2022/09/27 15:05 | Gianni Ross v Garrett Johns | 3-6,7-5,1-6 |
| Challenger Charleston | 2022/09/26 14:00 | Tennys Sandgren v Garrett Johns | 6-3,3-6,2-6 |
| Davis Cup | 2022/08/12 03:00 | Mohammad Alkotop v Hao Sheng Koay | 3-6,1-6 |