Stadium: Eve Zimmerman Court Round: 46 Ground: Hardcourt outdoor
| Challenger Fairfield | 2018/10/06 17:00 | Sebastian Fanselow v Andrew Harris | 3-6,6-1,6-1 |
| Challenger Stockton | 2018/09/29 18:50 | Sebastian Fanselow v Alexander Sarkissian | 6-7,3-6 |
| Challenger Tiburon | 2018/09/22 17:00 | Sebastian Fanselow v Roberto Ortega-Olmedo | 1-6,2-6 |
| Challenger Meerbusch Qual | 2018/08/12 08:00 | Yshai Oliel v Sebastian Fanselow | 6-4,6-2 |
| Challenger Meerbusch Qual | 2018/08/11 08:00 | Javier Barranco Cosano v Sebastian Fanselow | 7-5,4-6,4-6 |
| Challenger Pullach Qual | 2018/08/04 13:45 | Andreas Haider-Maurer v Sebastian Fanselow | 6-3,7-5 |
| ITF Italy F18 | 2018/07/13 17:20 | Jelle Sels v Sebastian Fanselow | 6-4,6-2 |
| ITF Italy F18 | 2018/07/12 11:50 | Sebastian Fanselow v Matias Zukas | 6-1,3-6,6-3 |
| 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 |
| Challenger Stockton | 2018/09/29 17:00 | Ronnie Schneider v Pablo Vivero Gonzalez | 4-6,6-4,3-6 |
| Challenger Tiburon | 2018/09/24 18:55 | Alexander Sarkissian v Pablo Vivero Gonzalez | 6-3,6-7,6-2 |
| Challenger Tiburon | 2018/09/23 17:00 | Alejandro Gonzalez v Pablo Vivero Gonzalez | 3-6,1-6 |
| Challenger Tiburon | 2018/09/22 18:20 | Pablo Vivero Gonzalez v Kaichi Uchida | 4-6,6-4,6-4 |
| Challenger Columbus | 2018/09/15 22:20 | Jared Hiltzik v Pablo Vivero Gonzalez | 5-7,6-4,6-4 |