Stadium: Court 5 Round: 25 Ground: Clay
| ITF Austria F3 | 2015/07/11 09:00 | Marco Bortolotti v Lenny Hampel | 7-5,7-6 |
| Challenger Barletta | 2019/04/08 15:00 | Marco Bortolotti v Javier Barranco Cosano | 3-6,7-5,2-6 |
| Challenger Barletta | 2019/04/08 08:00 | Johannes Haerteis v Marco Bortolotti | 4-6,6-1,6-4 |
| ITF M25 Santa Margherita | 2019/03/26 13:00 | Nicolo Turchetti v Marco Bortolotti | 7-5,6-3 |
| ITF M15 Murcia | 2019/03/22 11:50 | Carlos Lopez Montagud v Marco Bortolotti | 7-6,7-6 |
| ITF M15 Murcia | 2019/03/21 14:10 | Pedro Vives Marcos v Marco Bortolotti | 3-6,6-2,3-6 |
| ITF M15 Murcia | 2019/03/19 10:30 | Goran Markovic v Marco Bortolotti | 1-6,7-5,1-6 |
| ITF M25 Trento | 2019/02/26 18:00 | Jules Okala v Marco Bortolotti | 6-1,6-0 |
| ITF M25 Aktobe | 2019/02/21 09:15 | Konstantin Kravchuk v Marco Bortolotti | 6-1,7-5 |
| ITF M25 Santa Margherita | 2019/04/14 08:00 | Lenny Hampel v Laurent Lokoli | 0-6,3-6 |
| ITF M25 Santa Margherita | 2019/04/09 14:35 | Antoine Cornut-Chauvinc v Lenny Hampel | 1-6,3-6 |
| ITF M25 Santa Margherita | 2019/04/02 16:05 | Laurent Lokoli v Lenny Hampel | 6-3,3-6,6-2 |
| ITF M15 Antalya | 2019/03/20 07:15 | Pietro Rondoni v Lenny Hampel | 6-0,7-6 |
| ITF M15 Antalya | 2019/03/16 07:15 | Matias Zukas v Lenny Hampel | 6-1,4-6,6-3 |
| ITF M15 Antalya | 2019/03/12 07:15 | Takeru Yuzuki v Lenny Hampel | 2-6,4-6 |
| ITF M25 Oberentfelden | 2019/02/06 12:00 | Albano Olivetti v Lenny Hampel | 7-6,6-1 |
| ITF M25 Nussloch | 2019/01/23 11:25 | Lucas Gerch v Lenny Hampel | 6-1,6-3 |