Round: 62 Ground: Clay
| ITF Turkey F20 Qual | 2018/05/21 07:30 | Cengiz Aksu v Tiainen, Hermanni | 6-1,6-1 |
| ITF Turkey F20 Qual | 2018/05/20 09:00 | Tiainen, Hermanni v Kustepe, Nabi | 6-2,6-0 |
| ITF Turkey F20 Qual | 2018/05/19 07:30 | Tiainen, Hermanni v Krattiger, Jesse Paul | 6-4,6-4 |
| ITF Turkey F19 Qual | 2018/05/12 07:30 | Bolotov, Sergey v Tiainen, Hermanni | 6-4,6-4 |
| Turkey F17, Singles Qualifying | 2018/04/29 07:30 | Krohn, Linus v Tiainen, Hermanni | 7-5,6-7,6-4 |
| ITF Greece F5 | 2018/03/24 07:30 | Tiainen, Hermanni v Duje Ajdukovic | 0-6,4-6 |
| ITF Greece F3 | 2018/03/10 10:00 | Fragistas, Evangelos v Tiainen, Hermanni | 6-1,6-1 |
| Finlande F4, Qualifications Simples | 2017/11/11 11:00 | Alexey Aleshchev v Tiainen, Hermanni | 7-6,6-3 |
| ITF Brazil F4 | 2017/11/27 15:00 | Matheus P De Almeida v Ribeiro Marcondes, Igor | 4-6,2-6 |
| ITF Brazil F3 | 2017/11/21 13:00 | Matheus P De Almeida v Daniel Batista | 4-6,1-6 |
| ITF Brazil F2 | 2017/11/16 17:05 | Lindell, Christian v Matheus P De Almeida | 6-3,7-5 |
| ITF Brazil F2 | 2017/11/14 20:00 | Matheus P De Almeida v de Santis Carvalho, Rodrigo | 7-6,7-5 |
| ITF Brazil F2 | 2017/11/12 13:00 | Luis Britto v Matheus P De Almeida | 2-6,2-6 |