Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Sharm El Sheikh | 2019/04/03 10:25 | Hellfritsch, Lucas v Seraphim, Christian | 6-7,1-6 |
| ITF - M15 Sharm El Sheikh | 2019/04/09 08:00 | Karlo Cubelic v Hellfritsch, Lucas | 5-7,1-6 |
| ITF - M15 Sharm El Sheikh | 2019/04/08 09:00 | Zharkov, Artem v Hellfritsch, Lucas | 1-6,1-6 |
| ITF - M15 Sharm El Sheikh | 2019/04/03 10:25 | Hellfritsch, Lucas v Seraphim, Christian | 6-7,1-6 |
| ITF - M15 Sharm El Sheikh | 2019/04/02 08:00 | March, Antonio Cayetano v Hellfritsch, Lucas | 4-6,3-6 |
| ITF - M15 Sharm El Sheikh | 2019/04/01 08:00 | Alcantara, Joao Pedro v Hellfritsch, Lucas | 2-6,2-6 |
| ITF - M15 Sharm El Sheikh | 2019/03/25 11:00 | Kiyamov, Timur v Hellfritsch, Lucas | 6-7,6-0,10-7 |
| ITF - M15 Sharm El Sheikh | 2019/03/25 08:00 | Hellfritsch, Lucas v Presuhn, Bastien | 6-2,6-3 |
| ITF - M15 Sharm El Sheikh | 2019/03/20 09:45 | Hellfritsch, Lucas v Miladinovic, Marko | 1-6,2-6 |
| ITF - M15 Sharm El Sheikh | 2019/04/04 09:25 | Crepaldi, Erik v Seraphim, Christian | 6-3,6-4 |
| ITF - M15 Sharm El Sheikh | 2019/04/03 10:25 | Hellfritsch, Lucas v Seraphim, Christian | 6-7,1-6 |
| ITF - M15 Sharm El Sheikh | 2019/03/27 10:30 | Struvay, Eduardo v Seraphim, Christian | 6-4,6-0 |
| ITF - M15 Poitiers | 2019/03/13 11:55 | Joffrey De Schepper v Seraphim, Christian | 6-2,6-2 |
| Toulouse, Singles M-ITF-FRA-05A | 2019/03/05 10:00 | Titouan Droguet v Seraphim, Christian | 6-4,7-6 |
| Aktobe, Singles Qualifying M-ITF-KAZ-02A | 2019/02/19 08:25 | Kravchuk, Konstantin v Seraphim, Christian | 6-4,4-6,6-4 |
| Aktobe, Singles Qualifying M-ITF-KAZ-02A | 2019/02/13 10:35 | Seraphim, Christian v Alejandro Tabilo | 4-6,3-6 |
| ITF M25 Oberentfelden | 2019/02/05 12:00 | Seraphim, Christian v Elmar Ejupovic | 3-6,3-6 |