| ITF - M25 Addis Ababa | 05/23 07:40 | 26 | Courtney John Lock v Ishaque Eqbal | 3-6,3-6 | |
| ITF - M25 Addis Ababa | 05/22 12:55 | 25 | Courtney John Lock v Yabets Kebede | 6-0,6-3 | |
| ITF - M15 Addis Ababa | 05/15 09:05 | 25 | Courtney John Lock v Sina Moghimi | 2-6,4-6 | |
| Challenger Kigali | 03/03 12:05 | 14 | Florent Bax v Courtney John Lock | Retired | |
| Challenger Kigali | 02/25 11:00 | 14 | Noah Schachter v Courtney John Lock | 6-1,6-0 | |
| Coupe Davis | 02/04 10:30 | 5 | Hong Kit Wong v Courtney John Lock | Cancelled | |
| Coupe Davis | 02/03 09:00 | 2 | Coleman Wong v Courtney John Lock | 6-2,6-0 | |
| Coupe Davis | 02/04 12:00 | 45 | [233] Courtney John Lock v Ignacio Carou [223] | 3-6,6-3,4-6 | |
| Coupe Davis | 02/03 09:00 | 45 | [233] Courtney John Lock v Cuevas, Martin [464] | 3-6,2-6 | |
| ITF M25 Manacor | 01/16 12:30 | 62 | Izan Almazan Valiente v Courtney John Lock | 6-2,6-3 | |
| ITF M25 Manacor | 01/15 11:30 | 62 | Ondrej Hujo v Courtney John Lock | 2-6,3-6 | |
| Challenger Temuco | 11/21 14:45 | 19 | [467] Zukas, Matias v Courtney John Lock [256] | 6-2,6-4 | |
| Challenger Temuco | 11/20 18:20 | 14 | Courtney John Lock v Nunez, V. | 6-1,6-2 | |
| Ambato, Ecuador | 10/17 16:45 | 19 | [253] Conner Huertas Del Pino v Courtney John Lock [259] | 6-7,6-2,7-6 | |
| Ambato, Ecuador | 10/16 16:30 | 14 | Courtney John Lock v Patricio Alvarado | 6-4,6-2 | |
| ITF M25 Ibague | 09/28 21:40 | 25 | March, Antonio Cayetano v Courtney John Lock | 6-1,6-2 | |
| ITF M25 Ibague | 09/27 17:10 | 44 | Courtney John Lock v Juan D R Arias | 1-6,4-6 | |
| ITF M25 Ibague | 09/26 14:30 | 44 | Courtney John Lock v Jhoan Sebastian Vaquero | 7-5,6-3 | |
| Istanbul, Turkey | 09/11 08:10 | 14 | [262] Courtney John Lock v Alexandru Jecan [286] | 6-7,3-6 | |
| Coupe Davis | 08/10 09:00 | 1 | Courtney John Lock v Bationo, Abdoulaziz | 3-6,4-6 | |
| ITF M25 Mungia | 06/19 09:00 | 54 | Noah Thurner v Courtney John Lock | 7-5,6-2 | |
| ITF M15 Oran | 05/25 11:00 | 26 | Martinez, Mirko v Courtney John Lock | 6-0,6-0 | |
| ITF M15 Oran | 05/24 09:00 | 25 | Courtney John Lock v Sibille, Imran | 6-2,6-3 | |
| ITF M15 Oran | 05/17 12:30 | 25 | Courtney John Lock v Vicente O Moratalla | 2-6,1-6 | |
| Challenger Salinas | 04/03 19:00 | 14 | Courtney John Lock v Myneni, Saketh | 1-6,1-6 | |
| ITF - M15 Monastir | 02/15 08:30 | 25 | Imanol L Morillo v Courtney John Lock | 6-1,6-0 | |
| Challenger Potchefstroom | 03/09 12:15 | 64 | Sibanda, Mehluli Don Ayanda v Courtney John Lock | 7-6,6-4 | |
| Palm Coast, Singles M-ITF-USA-05A | 02/03 15:00 | 54 | Courtney John Lock v Butsch, Justin | 1-6,1-6 | |
| ITF M25 Weston | 01/26 15:30 | 44 | Courtney John Lock v Ivan Denisov | 6-7,2-6 | |
| Los Angeles, Singles M-ITF-USA-01A | 01/06 18:00 | 54 | Rapp, Austin v Courtney John Lock | 6-2,6-3 |