Stadium: Court 1 Round: 45
| Stuttgart, Germany | 2018/06/14 09:00 | Pella, Guido v Gunneswaran, Prajnesh | 7-6,6-3 |
| Stuttgart, Germany | 2018/06/13 09:00 | Gunneswaran, Prajnesh v Denis Shapovalov | 7-6,2-6,6-3 |
| ATP Stuttgart Qual | 2018/06/10 10:15 | Harrison, Christian v Gunneswaran, Prajnesh | 3-6,6-4,3-6 |
| ATP Stuttgart Qual | 2018/06/09 12:20 | King, Evan v Gunneswaran, Prajnesh | 1-6,4-6 |
| Challenger Vicenza | 2018/05/28 14:10 | Gunneswaran, Prajnesh v Salvatore Caruso | 1-6,4-6 |
| French Open Qual | 2018/05/25 08:00 | Elias Ymer v Gunneswaran, Prajnesh | 6-3,6-4 |
| French Open Qual | 2018/05/23 13:55 | Gunneswaran, Prajnesh v Arevalo-Gonzalez, Marcelo | 6-4,6-1 |
| French Open Qual | 2018/05/21 14:25 | Salvatore Caruso v Gunneswaran, Prajnesh | 4-6,4-6 |
| s-Hertogenbosch, Netherlands, Qualifying | 2018/06/09 08:30 | Novikov, Dennis v King, Kevin | 6-7,2-6 |
| Surbiton, Great Britain | 2018/06/04 14:35 | Novikov, Dennis v Lacko, Lukas | 6-4,1-6,5-7 |
| French Open Qual | 2018/05/21 12:10 | Novikov, Dennis v Duckhee Lee | 2-6,2-6 |
| Challenger Leon | 2018/04/26 18:00 | Christopher Eubanks v Novikov, Dennis | 6-3,6-3 |
| Challenger Leon | 2018/04/24 21:05 | Mousley, Bradley v Novikov, Dennis | 3-6,7-5,4-6 |
| Challenger Guadalajara | 2018/04/16 18:00 | Novikov, Dennis v Krstin, Pedja | 6-7,3-6 |
| ATP Houston Qual | 2018/04/08 16:00 | Miomir Kecmanovic v Novikov, Dennis | 6-4,5-7,6-3 |
| ATP Houston Qual | 2018/04/07 17:00 | King, Evan v Novikov, Dennis | 5-7,7-6,4-6 |