| Challenger Gran Canaria | 02/23 10:00 | 25 | [158] Lorenzo Giustino v Roberto Ortega-Olmedo [297] | 6-1,3-6,4-6 | |
| Challenger Biella | 02/12 12:40 | 27 | [212] Illya Marchenko v Lorenzo Giustino [157] | 6-2,2-6,7-5 | |
| Challenger Biella | 02/11 10:30 | 26 | [182] Roberto Marcora v Lorenzo Giustino [157] | 6-7,5-7 | |
| Challenger Biella | 02/09 16:25 | 25 | [337] Jelle Sels v Lorenzo Giustino [157] | 4-6,3-6 | |
| Challenger Antalya | 02/01 13:50 | 25 | [118] Thiago Seyboth Wild v Lorenzo Giustino [154] | 6-4,6-3 | |
| Challenger Antalya | 01/28 08:40 | 25 | [224] Zdenek Kolar v Lorenzo Giustino [154] | 6-3,3-6,7-5 | |
| Challenger Istanbul | 01/21 07:00 | 26 | [151] Lorenzo Giustino v Antoine Hoang [121] | 4-6,4-6 | |
| Challenger Istanbul | 01/18 11:25 | 25 | [151] Lorenzo Giustino v Alessandro Giannessi [162] | 7-5,7-6 | |
| Ausztrál Open | 01/12 07:30 | 15 | [223] Borna Gojo v Lorenzo Giustino [151] | 6-3,7-6 | |
| Ausztrál Open | 01/10 07:30 | 60 | [183] Denis Istomin v Lorenzo Giustino [151] | 1-6,1-6 | |
| Challenger Maia | 11/30 12:45 | 25 | [374] Duje Ajdukovic v Lorenzo Giustino [149] | 7-5,6-2 | |
| Challenger Bratislava | 11/12 13:10 | 26 | [316] Lukas Klein v Lorenzo Giustino [147] | 6-4,6-3 |