Stadium: Center Court Giorgi Ground: Clay
| ITF Italy F13 | 2016/06/03 11:00 | Lorenzo Giustino v Viola, Matteo | 5-7,2-6 |
| Challenger Todi | 2020/08/17 12:30 | Lorenzo Giustino v Daniel Altmaier | 6-3,3-6,2-6 |
| Spanish Summer League | 2020/07/17 12:20 | Lorenzo Giustino v Javier Barranco Cosano | 6-7,1-6 |
| Italian National Tour | 2020/07/02 16:00 | Lorenzo Giustino v Carlos Taberner | 4-6,6-3,2-6 |
| Italian National Tour | 2020/07/01 13:05 | Lorenzo Giustino v Andrea Vavassori | 7-5,4-6,7-5 |
| Italian National Tour | 2020/06/30 12:05 | Lorenzo Giustino v Federico Arnaboldi | 6-4,6-0 |
| Italian Umbrian Open | 2020/06/27 13:15 | Lorenzo Sonego v Lorenzo Giustino | 6-4,7-6 |
| Italian Umbrian Open | 2020/06/26 16:12 | Lorenzo Giustino v Giovanni Fonio | 7-6,5-4 |
| Italian Umbrian Open | 2020/06/24 10:35 | Lorenzo Giustino v Bega, Alessandro | 6-1,6-4 |
| Challenger Todi | 2020/08/17 18:30 | Federico Gaio v Viola, Matteo | 3-6,6-3,7-5 |
| Challenger - Pau | 2020/02/25 10:45 | Viola, Matteo v Quentin Halys | 1-6,2-6 |
| Challenger - Pau | 2020/02/24 11:45 | Viola, Matteo v Bernabe Zapata Miralles | 6-3,6-4 |
| Bergamo, Italy | 2020/02/18 14:35 | Viola, Matteo v Raul Brancaccio | 4-6,4-6 |
| Challenger - Cherbourg | 2020/02/12 17:20 | Viola, Matteo v Jules Marie | 3-6,6-3,6-7 |
| Open d'Australie | 2020/01/18 00:00 | Viola, Matteo v Alejandro Tabilo | 2-6,3-6 |
| Open d'Australie | 2020/01/16 07:30 | Maxime Janvier v Viola, Matteo | 6-7,4-6 |
| Challenger Noumea | 2020/01/10 23:00 | Viola, Matteo v Wolf, Jeffrey John | 2-6,2-6 |