Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF Portugal F9 | 2018/06/16 13:00 | Alexander Donski v Russell Henderson | 2-6,6-4,6-4 |
| ITF Bulgaria F1 | 2018/05/16 07:00 | Lucas Catarina v Alexander Donski | 6-2,6-2 |
| ITF Greece F5 | 2018/03/27 09:00 | Domagoj Biljesko v Alexander Donski | 6-3,4-6,7-5 |
| ITF Greece F4 | 2018/03/18 09:30 | Alexander Donski v Jannik Sinner | 4-6,5-7 |
| ITF Greece F4 | 2018/03/17 07:30 | Michael Vrbensky v Alexander Donski | 6-7,6-7 |
| ITF Greece F3 | 2018/03/10 07:30 | Alexander Donski v Alan Kohen | 7-6,0-6,4-6 |
| ITF Greece F2 | 2018/03/03 07:30 | Alexander Donski v Yutaro Matsuzaki | 4-6,4-6 |
| ATP Sofia | 2018/02/06 11:20 | Martin Klizan v Alexander Donski | 7-5,6-1 |
| ITF Portugal F8 Qual | 2018/04/16 13:25 | Tiago Torres v Martim L Prata | 2-6,0-6 |
| ITF Portugal F8 Qual | 2018/04/15 09:00 | Paul Cayre v Tiago Torres | 6-7,3-6 |