Stadium: Court 1 Round: 44 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2020/01/08 08:00 | Johnson, Luke v Ugo Blanchet | 3-6,1-6 |
| ITF - M15 Héraklion | 2019/11/15 08:00 | Yshai Oliel v Johnson, Luke | 6-2,6-1 |
| ITF - M15 Héraklion | 2019/11/12 10:10 | Michael Zhu v Johnson, Luke | 3-6,0-6 |
| ITF - M15 Héraklion | 2019/11/06 07:30 | Anton Matusevich v Johnson, Luke | 7-6,6-1 |
| Fort Worth, Singles Qualifying M-ITF-USA-42A | 2019/10/22 19:05 | Redlicki, Martin v Johnson, Luke | 3-6,6-1,6-4 |
| Waco, Singles M-ITF-USA-41A | 2019/10/15 16:30 | Johnson, Luke v Smith, Barnaby | 3-6,1-6 |
| Waco, Singles M-ITF-USA-41A | 2019/10/14 17:00 | Johnson, Luke v Perez, Alfredo | 6-2,6-4 |
| Waco, Singles M-ITF-USA-41A | 2019/10/13 20:00 | Johnson, Luke v Bradley, Julian | 1-6,6-3,13-11 |
| ITF - M15 Monastir | 2020/01/12 13:30 | Langmajer, Dominik v Chembotayev, Zhansultan | 6-1,6-3 |
| ITF - M15 Monastir | 2020/01/05 09:00 | Louis Allen v Langmajer, Dominik | 7-6,7-5 |
| Milovice, Singles M-ITF-CZE-10A | 2019/11/13 16:25 | Langmajer, Dominik v Satral, Jan | 4-6,2-6 |
| ITF M15 Opava | 2019/10/28 11:00 | Federico Arnaboldi v Langmajer, Dominik | 7-5,7-6 |
| Liberec, Simples M-ITF-CZE-08A | 2019/10/22 12:45 | Langmajer, Dominik v Ignatik, Uladzimir | 3-6,4-6 |
| Olomouc, Singles M-ITF-CZE-07A | 2019/10/14 08:00 | Petr Michnev v Langmajer, Dominik | 7-6,6-2 |
| ITF M25 Ricany | 2019/09/26 09:00 | Daniel Masur v Langmajer, Dominik | 6-1,6-1 |
| Pajulahti, Singles M-ITF-FIN-02A | 2019/09/16 12:00 | Leikola, Otto v Langmajer, Dominik | 7-5,3-6,10-5 |