Stadium: Court 6 Round: 26 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2020/10/06 12:30 | Guido Ivan Justo v Aliaksandr Liaonenka | 6-2,6-4 |
| ITF M15 Cancun | 2020/03/11 16:25 | Mendoza, Alejandro v Guido Ivan Justo | 3-6,6-7 |
| ITF M25 Rio Cuarto | 2020/02/25 13:00 | Guido Ivan Justo v Lopez Linquet, Leonardo | 6-7,6-3,12-10 |
| ITF M25 Rio Cuarto | 2020/02/24 16:00 | Guido Ivan Justo v Lucio Carnevalle | 7-6,6-4 |
| ITF M25 Rio Cuarto | 2020/02/23 13:00 | Guido Ivan Justo v Matias Riva | 6-0,6-0 |
| ITF - M25 Punta del Este | 2020/02/19 17:50 | Guido Ivan Justo v Mariano Navone | 2-6,1-6 |
| ITF - M25 Punta del Este | 2020/02/18 21:15 | Pena Lopez, Manuel v Guido Ivan Justo | 7-5,3-6,4-6 |
| ITF - M25 Punta del Este | 2020/02/17 12:00 | Guido Ivan Justo v Besada, Santiago | 6-4,6-3 |
| ITF - M15 Monastir | 2020/10/07 09:45 | Martin Damm v Grigelis, Laurynas | 6-7,3-6 |
| ITF - M15 Monastir | 2020/10/04 08:30 | Kocevar-Desman, Tom v Grigelis, Laurynas | 1-6,5-7 |
| ITF - M15 Monastir | 2020/10/03 08:30 | Thiago Agustin Tirante v Grigelis, Laurynas | 4-6,5-7 |
| ITF - M15 Monastir | 2020/10/02 11:45 | Grigelis, Laurynas v Bergevi, Filip | 6-3,4-6,6-3 |
| ITF - M15 Monastir | 2020/10/01 08:00 | Grigelis, Laurynas v Aziz Ouakaa | 6-2,6-2 |
| ITF - M15 Monastir | 2020/09/29 08:00 | Grigelis, Laurynas v Mats Rosenkranz | 3-6,7-6,7-6 |
| ITF - M15 Monastir | 2020/09/22 10:45 | Grigelis, Laurynas v Kirill Kivattsev | 3-6,4-6 |
| Italian National Tour | 2020/07/01 16:45 | Lorenzo Sonego v Grigelis, Laurynas | 6-2,6-4 |