Stadium: Court 7 Round: 54 Ground: Clay
| Kaltenkirchen, Singles Qualifying M-ITF-GER-05A | 2019/06/10 08:00 | Hellfritsch, Lucas v Remy Bertola | 1-6,4-6 |
| ITF - M15 Antalya | 2019/05/21 07:15 | Hellfritsch, Lucas v Hiramatsu, Shinnosuke | 4-6,0-6 |
| ITF - M15 Antalya | 2019/04/25 09:20 | Dimitar Kuzmanov v Hellfritsch, Lucas | 6-2,6-3 |
| ITF - M15 Antalya | 2019/04/24 09:10 | Hellfritsch, Lucas v Farmer, Elliott | 6-0,6-3 |
| ITF - M15 Antalya | 2019/04/23 07:00 | Hellfritsch, Lucas v Uvarov, Andrey | 6-4,6-3 |
| ITF - M15 Antalya | 2019/04/22 07:00 | Hellfritsch, Lucas v Kaya Arinc | 6-1,6-1 |
| ITF - M15 Antalya | 2019/04/16 09:00 | Koray Kirci v Hellfritsch, Lucas | 6-2,6-4 |
| ITF - M15 Antalya | 2019/04/15 07:00 | Hellfritsch, Lucas v Rogic Hadzalic, Alen | 6-4,6-4 |
| ITF M25 Kiseljak | 2019/05/28 09:30 | Jandric, Darko v Bosnjak, Mislav | 7-6,3-6,10-3 |
| ITF M25 Kiseljak | 2019/05/27 09:00 | Khunarikov, Ruslan v Bosnjak, Mislav | 1-6,2-6 |
| ITF - M15 Antalya | 2019/05/21 07:15 | Michalis Sakellaridis v Bosnjak, Mislav | 6-3,2-6,10-4 |
| ITF - M15 Antalya | 2019/05/20 07:45 | Kaya Arinc v Bosnjak, Mislav | 1-6,2-6 |
| ITF - M15 Antalya | 2019/05/16 09:25 | Koray Kirci v Bosnjak, Mislav | 5-7,6-3,6-0 |
| ITF - M15 Antalya | 2019/05/15 10:40 | Bosnjak, Mislav v Sarp Agabigun | 6-3,6-4 |
| ITF - M15 Antalya | 2019/05/14 07:15 | Nareyka, Bjorn v Bosnjak, Mislav | 1-6,6-4,7-10 |
| ITF - M15 Antalya | 2019/05/13 07:45 | Gusev, Daniil v Bosnjak, Mislav | 1-6,4-6 |