Stadium: Court 2 Round: 26 Ground: Clay
| ITF Italy F24 | 2018/08/21 09:00 | Bortolotti, Marco v Fellin, Manfred | 6-3,6-2 |
| ITF Italy F27 | 2016/08/31 15:50 | Bortolotti, Marco v Fellin, Manfred | 6-4,6-4 |
| ITF - M25 Santa Margherita | 2019/09/12 11:00 | Bortolotti, Marco v Fellin, Pietro Orlando | 6-0,6-4 |
| La Marsa, Singles M-ITF-TUN-37A | 2019/09/07 09:30 | Bortolotti, Marco v Santanna, B. | 1-6,1-6 |
| La Marsa, Singles M-ITF-TUN-37A | 2019/09/06 10:25 | Bortolotti, Marco v Skander Mansouri | 4-6,6-2,6-4 |
| La Marsa, Singles M-ITF-TUN-37A | 2019/09/05 12:40 | Ornago, Fabrizio v Bortolotti, Marco | 4-6,4-6 |
| La Marsa, Singles M-ITF-TUN-37A | 2019/09/03 11:45 | Cordonnier, Gregorio v Bortolotti, Marco | 3-6,4-6 |
| Santa Cristina Val Gardena, Singles M-ITF-ITA-18A | 2019/08/17 08:30 | Wilson Leite v Bortolotti, Marco | 6-3,3-6,7-5 |
| Santa Cristina Val Gardena, Singles M-ITF-ITA-18A | 2019/08/16 08:30 | Gian Marco Ortenzi v Bortolotti, Marco | 2-6,2-6 |
| Santa Cristina Val Gardena, Singles M-ITF-ITA-18A | 2019/08/15 09:20 | Heger, Tim v Bortolotti, Marco | 0-6,6-4,3-6 |
| ITF - M25 Santa Margherita | 2019/09/10 13:05 | Gianmarco Ferrari v Fellin, Manfred | 0-6,3-6 |
| Trieste, Singles M-ITF-ITA-20A | 2019/09/01 13:10 | Fellin, Manfred v Roggero, Tommaso | 4-6,6-4,12-14 |
| Horgen, Singles Qualifying M-ITF-SUI-03A | 2019/08/29 13:20 | Fellin, Manfred v Gonzalez, Alejandro | 2-6,2-6 |
| Horgen, Singles Qualifying M-ITF-SUI-03A | 2019/08/28 14:10 | Fellin, Manfred v Dragoni, Alessandro | 6-1,6-4 |
| ITF M15 Ueberlingen | 2019/08/21 09:35 | Guenther, Valentin v Fellin, Manfred | 3-6,6-2,6-1 |
| Santa Cristina Val Gardena, Singles M-ITF-ITA-18A | 2019/08/13 12:25 | Fellin, Manfred v Facundo Diaz Acosta | 2-6,3-6 |
| Agadir, Singles Qualifying M-ITF-MAR-03A | 2019/08/01 11:15 | Turchetti, Nicolo v Fellin, Manfred | 3-6,6-1,6-4 |
| Agadir, Singles Qualifying M-ITF-MAR-03A | 2019/07/31 12:20 | Fellin, Manfred v Mayeul Darras | 6-3,3-6,6-4 |