| Challenger Columbus | 2018/09/16 15:30 | David Perez Sanz v Benjamin Lock | 6-1,6-1 |
| Challenger Columbus | 2018/09/15 21:05 | Benjamin Lock v Axel Geller | 4-6,6-4,7-6 |
| Challenger Cary | 2018/09/08 19:10 | Bar Tzuf Botzer v Benjamin Lock | 6-3,6-4 |
| Challenger Gwangju | 2018/08/15 06:00 | Benjamin Lock v Alexander Bublik | 2-6,5-7 |
| Challenger Gwangju | 2018/08/14 01:00 | Yunseong Chung v Benjamin Lock | 4-6,6-4,3-6 |
| Challenger Jinan | 2018/08/05 03:45 | Miliaan Niesten v Benjamin Lock | 6-4,6-3 |
| Challenger Chengdu Qual | 2018/07/28 05:10 | Vasko Mladenov v Benjamin Lock | 6-4,6-4 |
| ITF Chinese Taipei F2 | 2018/07/27 02:00 | Yu Hsiou Hsu v Benjamin Lock | 6-3,7-6 |