Stadium: Court 3 Round: 54 Ground: Clay
| ITF Italy F32 | 2018/10/13 12:00 | Sid Donarski v Neven Krivokuca | 2-6,0-6 |
| ITF Italy F31 | 2018/10/06 10:00 | Sid Donarski v Nicolas Parizzia | 7-6,6-7,2-6 |
| ITF Canada F7 | 2018/09/08 20:30 | Emmett Ward v Sid Donarski | 6-4,6-1 |
| ITF Canada F7 | 2018/09/08 15:00 | Daniel Fainblum v Sid Donarski | 3-6,6-4,0-6 |
| ITF Canada F6 | 2018/09/01 15:00 | Alafia Ayeni v Sid Donarski | 6-2,6-2 |
| ITF USA F22 Qual | 2018/08/05 14:30 | Vasil Kirkov v Sid Donarski | 6-3,6-2 |
| ITF USA F22 Qual | 2018/08/04 13:30 | Justin Lunn v Sid Donarski | 0-6,2-6 |
| ITF USA F21 Qual | 2018/07/28 14:00 | Matias Soto v Sid Donarski | 6-2,6-4 |
| ITF Italy F31 | 2018/10/08 13:00 | Edoardo Eremin v Georg Winkler | 6-3,6-1 |
| ITF Italy F31 | 2018/10/07 08:00 | Georg Winkler v Nicolas Parizzia | 6-2,6-3 |
| ITF Italy F31 | 2018/10/06 10:00 | Georg Winkler v Severin Steiner | 6-0,6-3 |
| ITF Italy F30 | 2018/10/03 12:00 | Georg Winkler v Walter Trusendi | 2-6,6-7 |
| ITF Italy F30 | 2018/10/01 13:35 | Pasquale De Giorgio v Georg Winkler | 3-6,4-6 |
| ITF Tunisia F30 | 2018/09/07 12:00 | Georg Winkler v Juan Manuel Benitez Chavarriaga | 6-7,6-0,4-6 |
| ITF Tunisia F30 | 2018/09/06 09:00 | Georg Winkler v Joy Vigani | 7-6,6-3 |
| ITF Tunisia F30 | 2018/09/04 10:20 | Georg Winkler v Moritz Trocker | 6-3,6-3 |