Stadium: Center Court Round: 54
| 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 |
| Challenger Cary | 2018/09/08 16:00 | Strong Kirchheimer v Pablo Vivero Gonzalez | 6-3,3-6,6-2 |
| Challenger Seville | 2018/09/01 08:00 | Zizou Bergs v Pablo Vivero Gonzalez | 6-4,6-4 |
| Challenger Stockton | 2018/09/30 17:00 | William Blumberg v Steven Diez | 6-2,4-6,6-4 |
| Challenger Stockton | 2018/09/29 17:00 | Ross Watson v William Blumberg | 4-6,2-6 |
| Challenger Cary | 2018/09/12 17:00 | William Blumberg v Jose Hernandez-Fernandez | 4-6,3-6 |
| Challenger Binghamton | 2018/07/26 15:45 | William Blumberg v Lucas Catarina | 4-6,6-2,4-6 |
| ATP Newport Qual | 2018/07/15 16:25 | Matthias Bachinger v William Blumberg | 5-7,7-5,6-2 |
| Challenger Cary | 2017/09/14 19:00 | Mitchell Krueger v William Blumberg | 6-2,6-2 |
| Challenger Cary | 2017/09/12 20:00 | William Blumberg v Brydan Klein | 6-2,7-6 |
| US Open Qual | 2017/08/23 18:15 | Cem Ilkel v William Blumberg | 6-2,6-4 |