Round: 44 Ground: Clay
| ITF Italy F35 Qual | 2017/10/23 13:00 | Mircea-Alexandru Jecan v Alexander Thomas Grabher | 6-1,6-3 |
| ITF Italy F35 Qual | 2017/10/22 13:00 | Alexander Thomas Grabher v Maximilian Gatev | 6-1,6-4 |
| ITF Italy F35 Qual | 2017/10/21 08:00 | Mike Loccisano v Alexander Thomas Grabher | 5-7,2-6 |
| ITF Italy F34 Qual | 2017/10/14 13:00 | Lucas Gomez v Alexander Thomas Grabher | 6-4,6-1 |
| ITF Tunisia F15 | 2017/04/19 11:40 | Elliot Benchetrit v Alexander Thomas Grabher | 6-2,6-1 |
| ITF Austria F5 Qual | 2016/08/07 08:30 | Thomas Jan Dafcik v Alexander Thomas Grabher | 6-4,6-0 |
| ITF Austria F5 Qual | 2016/08/06 10:00 | Alexander Thomas Grabher v Leopold Zima | 6-4,7-6 |
| ITF Tunisia F12 | 2016/03/27 08:30 | Christoffer Solberg v Alexander Thomas Grabher | 6-0,1-6,6-2 |
| ITF Italy F35 Qual | 2017/10/22 08:00 | Matteo Meneghetti v Vladimir Filip | 0-6,5-7 |