Stadium: Court 2 Round: 24 Ground: Clay
| ITF M25 Gyula | 2019/05/29 07:00 | Benjamin Lock v Gabor Borsos | 2-6,2-6 |
| ITF M15 Accra | 2019/05/05 14:00 | Benjamin Lock v Ryan James Storrie | 4-6,4-6 |
| ITF M15 Accra | 2019/05/04 11:00 | Benjamin Lock v Eric Vanshelboim | 6-2,6-0 |
| ITF M15 Accra | 2019/05/03 10:00 | Benjamin Lock v William Bushamuka | 6-1,6-0 |
| ITF M15 Accra | 2019/05/02 09:00 | Benjamin Lock v Michael-John Every | 6-3,6-1 |
| ITF M15 Accra | 2019/05/01 09:00 | Benjamin Lock v Daniel Quartey | 6-0,6-2 |
| ITF M25 Abuja | 2019/04/18 09:00 | Peter Kobelt v Benjamin Lock | 7-6,6-3 |
| ITF M25 Abuja | 2019/04/17 14:25 | Mukhtar Andu v Benjamin Lock | 0-6,0-6 |
| Challenger Jerusalem | 2019/05/20 07:00 | Johannes Haerteis v Gonzalo Escobar | 3-6,7-5,2-6 |
| Challenger Rome | 2019/05/07 12:10 | Johannes Haerteis v Stefano Napolitano | 2-6,3-6 |
| Challenger Rome | 2019/05/06 10:00 | Skander Mansouri v Johannes Haerteis | 6-7,7-6,5-7 |
| Challenger Savannah | 2019/04/30 14:00 | Cannon Kingsley v Johannes Haerteis | 6-2,6-2 |
| Challenger Tallahassee | 2019/04/24 14:00 | Mitchell Krueger v Johannes Haerteis | 3-6,6-4,6-1 |
| Challenger Tallahassee | 2019/04/23 16:40 | Johannes Haerteis v Evan Song | 6-4,6-4 |
| Challenger Tallahassee | 2019/04/22 14:00 | Benjamin Hassan v Johannes Haerteis | 6-4,6-1 |
| Challenger Sarasota | 2019/04/15 14:00 | Harri Heliovaara v Johannes Haerteis | 6-3,6-2 |