Stadium: Center Court Round: 26
| 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 |
| ITF Italy F18 | 2018/07/11 09:30 | Sebastian Fanselow v Lorenzo Frigerio | 6-1,6-2 |
| ITF Italy F18 | 2018/07/10 13:05 | Sebastian Fanselow v Filippo Leonardi | 6-3,6-3 |
| Challenger Milan Qual | 2018/06/24 14:30 | Sebastian Fanselow v Alexei Popyrin | 5-7,5-7 |
| Challenger Aptos | 2018/08/11 01:00 | Thanasi Kokkinakis v Prajnesh Gunneswaran | 4-6,6-4,6-3 |
| Challenger Aptos | 2018/08/08 22:55 | JC Aragone v Prajnesh Gunneswaran | 6-4,5-7,4-6 |
| Challenger Aptos | 2018/08/06 21:25 | Brandon Holt v Prajnesh Gunneswaran | 6-4,4-6,2-6 |
| ATP Los Cabos | 2018/08/01 00:00 | Cameron Norrie v Prajnesh Gunneswaran | 6-2,6-2 |
| ATP Los Cabos Qual | 2018/07/29 23:10 | Prajnesh Gunneswaran v Evan Song | 6-3,6-1 |
| ATP Los Cabos Qual | 2018/07/29 00:10 | Prajnesh Gunneswaran v Miguel Angel Reyes-Varela | 6-4,6-0 |
| ATP Atlanta | 2018/07/23 19:40 | Lukas Lacko v Prajnesh Gunneswaran | 6-2,6-2 |
| ATP Atlanta Qual | 2018/07/22 15:00 | Tommy Paul v Prajnesh Gunneswaran | 3-6,3-6 |