Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF Spain F20 Qual | 2018/07/21 09:30 | Jeff Guerrero v Carlos V Martinez | 6-4,1-6,3-6 |
| ITF Spain F19 Qual | 2018/07/16 07:30 | Gianni Ross v Jeff Guerrero | 6-2,6-2 |
| ITF Spain F19 Qual | 2018/07/15 07:30 | Carles S Tamarit v Jeff Guerrero | 4-6,6-4,5-7 |
| ITF Spain F19 Qual | 2018/07/14 07:30 | Juan Pablo B Leon v Jeff Guerrero | 1-6,0-6 |
| ITF Tunisia F22 | 2018/06/04 09:00 | Dennis Uspensky v Jeff Guerrero | 6-4,7-5 |
| ITF Tunisia F22 | 2018/06/03 09:00 | Neil Oberleitner v Jeff Guerrero | 5-7,0-6 |
| ITF Spain F13 | 2018/05/27 10:30 | Mason Recci v Jeff Guerrero | 6-1,6-7,6-1 |
| ITF Egypt F17 | 2018/05/09 08:00 | Jeff Guerrero v Anton Magnusson | 3-6,5-7 |
| ITF Chinese Taipei F2 | 2018/07/25 02:00 | Maverick Banes v Li-Wei Tan | 6-3,6-2 |
| ITF Chinese Taipei F2 Qual | 2018/07/23 04:15 | Jeffrey Hsu v Li-Wei Tan | 2-6,6-4,4-6 |
| ITF Chinese Taipei F2 Qual | 2018/07/22 05:30 | Jie-Ming Pai v Li-Wei Tan | 2-6,2-6 |
| ITF Chinese Taipei F1 | 2018/07/18 02:00 | Li-Wei Tan v Blake Ellis | 6-7,4-6 |
| ITF Chinese Taipei F1 Qual | 2018/07/16 07:30 | Chen Chang v Li-Wei Tan | 2-6,2-6 |
| ITF China F10 | 2018/07/10 06:10 | Maverick Banes v Li-Wei Tan | 6-4,7-6 |
| ITF China F10 Qual | 2018/07/09 03:30 | Chenhe Li v Li-Wei Tan | 5-7,6-3,3-6 |
| ITF China F10 Qual | 2018/07/07 02:00 | Wing-Lun Lam v Li-Wei Tan | 6-7,2-6 |