Round: 44 Ground: Clay
| ITF Croatia F4 Qual | 2017/03/27 08:00 | Corrado Summaria v Andrea Guerrieri | 6-3,7-5 |
| ITF Croatia F4 Qual | 2017/03/26 13:30 | Marcell Bartakovics v Andrea Guerrieri | 1-6,2-6 |
| ITF Croatia F4 Qual | 2017/03/26 07:00 | Frane Nincevic v Andrea Guerrieri | 5-7,2-6 |
| ITF Italy F4 | 2017/03/14 11:25 | Andrea Guerrieri v Adelchi Virgili | 3-6,4-6 |
| ITF Italy F3 Qual | 2017/03/04 13:00 | Francesco Salviato v Andrea Guerrieri | 6-3,6-0 |
| ITF Great Britain F3 | 2017/02/12 13:00 | George Davies v Andrea Guerrieri | 7-6,6-4 |
| ITF Italy F35 | 2016/10/26 09:20 | Andrea Guerrieri v Omar Giacalone | 1-6,4-6 |
| ITF Italy F35 | 2016/10/25 08:40 | Andrea Pellegrino v Andrea Guerrieri | 5-7,4-6 |
| ITF Croatia F2 | 2017/03/11 08:00 | Patrick Grigoriu v Rrezart Cungu | 7-5,6-0 |
| ITF Croatia F1 | 2017/03/06 08:30 | Andre Biro v Patrick Grigoriu | 6-2,3-6,7-6 |
| ITF Croatia F1 | 2017/03/05 08:00 | Mateo Bubalo v Patrick Grigoriu | 2-6,1-6 |
| ITF Croatia F1 | 2017/03/04 08:00 | Patrick Grigoriu v Sebastian Kurzmann | 6-3,6-0 |
| ITF Turkey F5 | 2017/02/04 06:30 | Conor Berg v Patrick Grigoriu | 6-0,5-7,6-3 |
| ITF Turkey F4 | 2017/01/29 07:30 | Yasha Zemel v Patrick Grigoriu | 3-6,3-6 |
| ITF Turkey F4 | 2017/01/28 07:00 | Patrick Grigoriu v Osmancan Soyler | 6-7,6-2,6-3 |
| ITF Turkey F51 | 2016/12/20 09:00 | Patrick Grigoriu v Yannick Verwater | 2-6,1-6 |