Stadium: Grand Stand 4 Round: 25 Ground: Clay
| ITF Italy F13 | 2018/06/04 07:30 | Francesco Ferrari v Mattias Siimar | 6-4,6-1 |
| ITF Italy F13 | 2018/06/03 08:00 | Siim Troost v Mattias Siimar | 7-5,6-4 |
| ITF Italy F13 | 2018/06/02 07:30 | Paolo Dagnino v Mattias Siimar | 3-6,6-3,4-6 |
| ITF Finland F3 | 2017/08/15 10:10 | Patrik Niklas-Salminen v Mattias Siimar | 6-4,7-6 |
| ITF Finland F1 | 2017/08/03 11:40 | Mattias Siimar v Luca Gelhardt | 6-4,1-6,6-7 |
| ITF Finland F1 | 2017/08/02 10:00 | Mattias Siimar v Aaro Pollanen | 6-4,6-2 |
| ITF Finland F1 | 2017/07/31 07:00 | Alexander Vasilenko v Mattias Siimar | 3-6,6-2,4-6 |
| ITF Estonia F1 | 2017/07/25 13:50 | Mattias Siimar v Arturs Lazdins | 1-6,2-6 |
| ITF Italy F13 | 2018/06/04 07:30 | Manuel Mazza v Giovanni Oradini | 1-6,6-4,6-3 |
| ITF Italy F13 | 2018/06/03 08:00 | Matthew Dellavedova v Manuel Mazza | 2-6,2-6 |
| ITF Italy F13 | 2018/06/02 07:30 | Michael Kerschbaumer v Manuel Mazza | 2-6,2-6 |
| ITF Italy F36 | 2017/10/31 13:00 | Mike Loccisano v Manuel Mazza | 7-5,6-1 |
| ITF Italy F36 Qual | 2017/10/30 13:00 | Andrea Borroni v Manuel Mazza | 4-6,3-6 |
| ITF Italy F35 Qual | 2017/10/22 13:00 | Manuel Mazza v Marco De Rossi | 0-6,2-6 |
| ITF Italy F35 Qual | 2017/10/21 12:00 | Davide Negrotti v Manuel Mazza | 6-3,1-6,3-6 |
| ITF Italy F26 Qual | 2017/08/20 08:55 | Manuel Mazza v Francesco Moncagatto | 1-6,2-6 |