Stadium: Dunlop Arena Round: 166 Ground: Clay
| Challenger - Prostejov | 2019/06/03 11:50 | Benjamin Hassan v Bortolotti, Marco | 6-7,6-0,6-2 |
| Challenger - Vicence | 2019/05/31 10:45 | Bortolotti, Marco v Facundo Bagnis | 6-7,6-1,3-6 |
| Challenger - Vicence | 2019/05/29 15:15 | Bortolotti, Marco v Giulio Zeppieri | 5-7,7-5,6-2 |
| ITF M25 Jablonec Nad Nisou | 2019/05/25 10:15 | Bortolotti, Marco v Jiri Lehecka | 1-6,2-6 |
| ITF M25 Jablonec Nad Nisou | 2019/05/24 08:30 | Bangoura, Sekou v Bortolotti, Marco | 3-6,6-1,5-7 |
| ITF M25 Jablonec Nad Nisou | 2019/05/23 09:00 | Konecny, Michal v Bortolotti, Marco | 4-6,2-6 |
| ITF M25 Jablonec Nad Nisou | 2019/05/21 08:00 | Bortolotti, Marco v Sabanov, Matej | 6-2,6-3 |
| ITF M25 Jablonec Nad Nisou | 2019/05/20 08:00 | Bortolotti, Marco v Recek, Dominik | 7-6,2-6,13-11 |
| Jerusalem, Israel | 2019/05/21 10:15 | Verbeek, Sem v Bega, Alessandro | 1-6,0-6 |
| Jerusalem, Israel | 2019/05/20 07:00 | Enrico Dalla Valle v Verbeek, Sem | 4-6,6-1,6-4 |
| Challenger Braga | 2019/05/07 09:00 | Verbeek, Sem v Oriol Roca Batalla | 1-6,2-6 |
| Challenger Braga | 2019/05/06 09:05 | Saraiva, Bernardo v Verbeek, Sem | 5-7,6-7 |
| Challenger - San Luis Potosí | 2019/04/16 18:00 | Marc-Andrea Huesler v Verbeek, Sem | 6-1,6-4 |
| Challenger - San Luis Potosí | 2019/04/15 16:00 | Verbeek, Sem v Hernandez Serrano, Juan Alejandro | 7-5,6-7,6-3 |
| Challenger Canberra | 2019/01/08 01:15 | Verbeek, Sem v Renzo Olivo | 6-4,4-6,6-7 |
| Challenger Canberra | 2019/01/07 06:50 | Verbeek, Sem v Gao, Xin | 1-6,7-6,6-3 |