Stadium: Grandstand Round: 24 Ground: Clay
| Challenger Cordenons | 2019/08/13 09:30 | Gianluigi Quinzi v Andrea Collarini | 0-6,2-6 |
| Challenger Perugia | 2019/07/12 11:00 | Guillermo Garcia-Lopez v Gianluigi Quinzi | 6-3,1-6,7-6 |
| Challenger Perugia | 2019/07/11 13:45 | Gianluigi Quinzi v Guilherme Clezar | 6-3,4-6,7-6 |
| Challenger Perugia | 2019/07/10 13:00 | Filip Horansky v Gianluigi Quinzi | 6-3,2-6,2-6 |
| Challenger Perugia | 2019/07/09 14:30 | Gianluigi Quinzi v Roberto Marcora | 6-7,6-3,6-3 |
| Challenger Ludwigshafen | 2019/07/02 16:00 | Gianluigi Quinzi v Nicola Kuhn | 6-3,6-7,3-6 |
| Challenger Parma | 2019/06/20 16:00 | Federico Gaio v Gianluigi Quinzi | 6-3,6-4 |
| Challenger Parma | 2019/06/19 11:45 | Marco Bortolotti v Gianluigi Quinzi | 1-6,3-6 |
| Challenger Cordenons | 2019/08/14 15:15 | Alejandro Gonzalez v Andrej Martin | 2-6,5-7 |
| Challenger Cordenons | 2019/08/12 12:30 | Alejandro Gonzalez v Ante Pavic | 6-3,6-2 |
| Challenger Binghamton | 2019/07/23 14:00 | Strong Kirchheimer v Alejandro Gonzalez | 7-6,6-3 |
| ITF M25 Iowa City | 2019/07/18 14:00 | Errol Smith v Alejandro Gonzalez | 7-6,6-4 |
| ITF M25 Iowa City | 2019/07/17 15:00 | Alec Adamson v Alejandro Gonzalez | 5-7,0-6 |
| Challenger Winnetka | 2019/07/10 18:45 | Thanasi Kokkinakis v Alejandro Gonzalez | 6-4,6-3 |
| Challenger Winnetka | 2019/07/08 17:50 | Kevin King v Alejandro Gonzalez | 3-6,3-6 |
| ITF M25 Tulsa | 2019/06/20 18:40 | Alejandro Gonzalez v Nick Chappell | 6-2,5-7,6-7 |