Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| Challenger Las Vegas | 2018/10/20 19:35 | Hugo Grenier v Pablo Vivero Gonzalez | 7-5,3-6,6-3 |
| Challenger Calgary | 2018/10/16 16:00 | Alexis Galarneau v Pablo Vivero Gonzalez | 6-2,6-4 |
| Challenger Calgary | 2018/10/15 16:00 | Pablo Vivero Gonzalez v Laurent Lokoli | 7-5,3-6,7-6 |
| Challenger Calgary | 2018/10/14 16:00 | Pablo Vivero Gonzalez v Michail Pervolarakis | 6-2,6-3 |
| Challenger Fairfield | 2018/10/07 19:50 | Sebastian Fanselow v Pablo Vivero Gonzalez | 6-4,2-6,7-5 |
| Challenger Fairfield | 2018/10/06 17:00 | Pablo Vivero Gonzalez v Kaichi Uchida | 6-3,2-6,6-3 |
| Challenger Stockton | 2018/10/01 17:00 | Pablo Vivero Gonzalez v William Blumberg | 4-6,1-6 |
| Challenger Stockton | 2018/09/30 17:00 | Marcos Giron v Pablo Vivero Gonzalez | 3-6,6-1,4-6 |
| ITF Egypt F28 | 2018/11/22 08:00 | Adam Moundir v Daniel Michalski | 1-6,6-3,6-1 |
| ITF Egypt F28 | 2018/11/21 09:45 | Adrian Andrzejczuk v Daniel Michalski | 7-5,5-7,2-6 |
| ITF Egypt F27 | 2018/11/15 08:00 | David Perez Sanz v Daniel Michalski | 6-2,6-2 |
| ITF Egypt F27 | 2018/11/14 08:00 | Daniel Michalski v Roman Boychuk | 6-2,6-1 |
| ITF Egypt F26 | 2018/11/07 08:00 | Ryan Nijboer v Daniel Michalski | 3-6,7-6,6-4 |
| ITF Poland F8 | 2018/08/21 08:00 | Daniel Michalski v Marek Jaloviec | 2-6,3-6 |
| ITF Poland F7 | 2018/08/15 08:00 | Daniel Michalski v Pawel Juszczak | 4-6,3-6 |
| Challenger Sopot | 2018/08/02 12:20 | Daniel Michalski v Daniel Gimeno-Traver | 1-6,1-6 |