Stadium: Court 1 Round: 27
| Challenger Lisbon | 2018/05/14 11:30 | Christian Harrison v Gleb Sakharov | 6-0,6-4 |
| Challenger Braga | 2018/05/09 11:00 | Sergio Gutierrez-Ferrol v Gleb Sakharov | 6-3,6-4 |
| Challenger Braga | 2018/05/07 12:20 | Joao Monteiro v Gleb Sakharov | 6-2,3-6,2-6 |
| Challenger Ostrava | 2018/05/01 09:00 | Gleb Sakharov v Gianluigi Quinzi | 2-6,1-6 |
| ATP Miami Qual | 2018/03/19 16:20 | Gleb Sakharov v Ernesto Escobedo | 0-6,3-6 |
| ITF Canada F2 | 2018/03/06 17:35 | Gleb Sakharov v JC Aragone | 3-6,7-6,6-7 |
| ATP Dubai | 2018/02/26 10:00 | Gleb Sakharov v Philipp Kohlschreiber | 4-6,2-6 |
| ATP Dubai Qual | 2018/02/25 08:00 | Blaz Kavcic v Gleb Sakharov | 3-6,4-6 |
| Challenger Bordeaux Qual | 2018/05/13 10:50 | Mathias Bourgue v Niels Desein | 6-2,7-6 |
| Challenger Bordeaux Qual | 2018/05/12 11:10 | Jonathan Eysseric v Niels Desein | 3-6,6-3,3-6 |
| ITF France F8 | 2018/04/25 09:25 | Tristan Lamasine v Niels Desein | 7-5,6-4 |
| ITF Portugal F8 | 2018/04/19 13:05 | Joao Monteiro v Niels Desein | 6-2,6-7,6-4 |
| ITF Portugal F8 | 2018/04/18 15:00 | Niels Desein v Francisco Dias | 6-1,4-6,6-1 |
| ITF Italy F7 | 2018/04/11 13:45 | Niels Desein v Andrea Collarini | 3-6,6-7 |
| ITF Italy F7 | 2018/04/09 16:20 | Niels Desein v Fabrizio Ornago | 6-2,6-1 |
| Challenger Alicante Qual | 2018/03/31 10:10 | Daniel Gimeno-Traver v Niels Desein | 3-6,6-1,6-2 |