Stadium: Court 13 Round: 44 Ground: Hardcourt outdoor
| 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 |
| US Open | 2018/08/21 21:45 | Santiago Giraldo v Viktor Galovic | 6-4,6-4 |
| Challenger Portoroz | 2018/08/07 08:00 | Markus Eriksson v Viktor Galovic | 6-4,6-7,6-4 |
| ATP Kitzbuhel Qual | 2018/07/28 13:30 | Viktor Galovic v Yannick Maden | 4-6,4-6 |
| ATP Gstaad | 2018/07/27 12:30 | Viktor Galovic v Laslo Djere | 7-6,3-6,6-7 |
| ATP Gstaad | 2018/07/26 08:30 | Viktor Galovic v Felix Auger Aliassime | 3-6,6-4,6-2 |
| ATP Gstaad | 2018/07/24 10:40 | Robin Haase v Viktor Galovic | 1-6,6-3,3-6 |
| ATP Gstaad Qual | 2018/07/22 08:30 | Yannick Hanfmann v Viktor Galovic | 6-7,7-6,6-4 |
| ATP Gstaad Qual | 2018/07/21 08:30 | Gonzalo Escobar v Viktor Galovic | 3-6,6-3,6-7 |