Stadium: Court 5 Round: 46 Ground: Hardcourt indoor
| Challenger Columbus Qual | 2018/09/15 18:35 | David Perez Sanz v Hunter Tubert | 6-2,6-3 |
| Challenger Cary | 2018/09/11 17:35 | Mikael Ymer v David Perez Sanz | 6-2,2-6,7-6 |
| Challenger Seville | 2018/09/01 17:40 | David Perez Sanz v Jorge Montero | 6-7,7-6,6-3 |
| Challenger Mallorca | 2018/08/26 09:00 | David Perez Sanz v Lloyd Glasspool | 3-6,4-6 |
| ITF Spain F22 | 2018/08/12 19:30 | Mick Lescure v David Perez Sanz | 7-6,6-2 |
| ITF Spain F22 | 2018/08/11 19:00 | Andres Artunedo Martinavarr v David Perez Sanz | 4-6,6-7 |
| ITF Spain F22 | 2018/08/10 17:55 | Diego Hidalgo v David Perez Sanz | 5-7,4-6 |
| ITF Spain F22 | 2018/08/08 18:05 | Paul Cayre v David Perez Sanz | 2-6,5-7 |
| 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 |
| ITF Chinese Taipei F2 | 2018/07/26 02:45 | Ray Ho v Benjamin Lock | 6-7,3-6 |