Stadium: Center Round: 54 Ground: Hardcourt indoor
| ITF Finland F4 | 2018/11/10 08:00 | Fermosell, Jaime v Sillanpaa, Peter | 3-6,6-4,6-3 |
| ITF Spain F28 Qual | 2018/09/16 12:00 | Chinmaya Dev Chauhan v Fermosell, Jaime | 1-6,0-6 |
| ITF Spain F28 Qual | 2018/09/15 12:00 | Chakrouni, Anas v Fermosell, Jaime | 2-6,1-6 |
| ITF Spain F24 | 2018/08/20 12:00 | Fermosell, Jaime v Catalan, Jerome | 4-6,6-2,6-3 |
| ITF Spain F24 | 2018/08/19 16:00 | Fermosell, Jaime v Busch, Ruben | 6-0,7-6 |
| Challenger Segovia Qual | 2018/07/28 09:20 | Albano Olivetti v Fermosell, Jaime | 6-2,6-3 |
| ITF Portugal F12 | 2018/07/25 13:40 | Felipe Meligeni Rodrigues Alves v Fermosell, Jaime | 6-0,6-2 |
| ITF Spain F18 Qual | 2018/07/07 12:30 | Fermosell, Jaime v Guell Bartrina, Eduard | 0-6,6-3,5-7 |
| ITF Finland F4 | 2018/11/10 08:00 | Saatela, Leevi v Klimov, Philipp | 4-6,3-6 |
| ITF Estonia F3 | 2018/11/06 12:40 | Klimov, Philipp v Manafov, Vladyslav | 2-6,0-6 |
| ITF Estonia F3 | 2018/11/04 09:00 | Luigi Sorrentino v Klimov, Philipp | 4-6,5-7 |
| ITF Estonia F3 | 2018/11/03 08:00 | Tiainen, Hermanni v Klimov, Philipp | 4-6,0-6 |
| ITF Estonia F2 | 2018/10/30 11:25 | Ivanov, Vladimir v Klimov, Philipp | 6-3,6-4 |
| ITF Estonia F2 | 2018/10/28 12:00 | Klimov, Philipp v David Quayle | 6-3,6-4 |
| ITF Russia F8 | 2018/08/28 09:20 | Boborykin, Alexander v Klimov, Philipp | 6-7,6-3,6-1 |
| Russia F8, Singles Qualifying | 2018/08/26 07:00 | Dubinsky, Vladislav v Klimov, Philipp | 6-7,3-6 |