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