Stadium: Court 3 Round: 25 Ground: Clay
| ITF - M25 Santa Margherita | 2019/04/02 12:00 | Michael Zhu v Fellin, Manfred | 0-6,2-6 |
| ITF - M25 Santa Margherita | 2019/04/01 12:00 | Radojkovic, Milan v Fellin, Manfred | 0-6,1-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/03/27 15:15 | Geoffrey Blancaneaux v Fellin, Manfred | 6-2,6-1 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/03/25 11:30 | Davydov, Ivan v Fellin, Manfred | 6-4,3-6,6-10 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/03/25 08:00 | Ernaelsteen, Victor v Fellin, Manfred | 1-6,0-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/03/21 13:30 | Perchicot, Mathieu v Fellin, Manfred | 6-3,6-1 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/03/18 12:30 | Arthur Reymond v Fellin, Manfred | 4-6,6-4,4-10 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/03/18 08:00 | Edoardo Lavagno v Fellin, Manfred | 6-4,6-7,5-10 |
| Kazan, Simples M-ITF-RUS-02A | 2019/03/13 10:45 | Alexandar Lazarov v Lenz, Julian | 1-6,1-6 |
| Sofia, Bulgaria | 2019/02/06 11:40 | Alexandar Lazarov v Verdasco, Fernando | 2-6,1-6 |
| Sofia, Bulgaria | 2019/02/04 12:50 | Alexandar Lazarov v Vanni, Luca | 7-6,3-6,7-5 |
| Sofia, Bulgaria | 2019/02/03 15:15 | Lacko, Lukas v Alexandar Lazarov | 6-7,2-6 |
| ITF Qatar F6 | 2018/12/20 13:35 | Alexandar Lazarov v Aslan Karatsev | 3-6,6-7 |
| ITF Qatar F6 | 2018/12/19 14:40 | Lescure, Mick v Alexandar Lazarov | 2-6,6-7 |
| ITF Qatar F6 | 2018/12/18 08:20 | Alexandar Lazarov v Guy Den Heijer | 7-6,7-6 |
| Qatar F5, Simples | 2018/12/14 12:00 | Alexandar Lazarov v Wang, Tak Khunn | 1-6,0-6 |