Round: 44 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2019/10/20 08:00 | Bastien Presuhn v Tim Riedel | 7-6,6-2 |
| ITF M15 Antalya | 2019/10/01 07:00 | Aziz Kijametovic v Tim Riedel | 6-3,6-4 |
| ITF M15 Antalya | 2019/09/30 07:30 | Tim Riedel v Mats Hermans | 6-2,7-5 |
| ITF M15 Antalya | 2019/09/23 11:00 | Luka Pavlovic v Tim Riedel | 7-5,7-5 |
| ITF M15 Antalya | 2019/09/23 07:00 | Tim Riedel v Nicolas Demeroutis | 6-4,6-4 |
| ITF M15 Antalya | 2019/09/22 07:00 | Tim Riedel v Kayra Kargin | 6-4,6-0 |
| ITF M15 Antalya | 2019/09/16 07:30 | Samuel Puskar v Tim Riedel | 6-2,6-1 |
| ITF M15 Oldenzaal | 2019/08/13 07:30 | Amadatus Admiraal v Tim Riedel | 3-6,7-5,10-5 |
| ITF M15 Tabarka | 2019/10/13 08:30 | Boruch Skierkier v Stefan Cizelj-Zivkovic | 6-1,6-0 |
| ITF M15 Burgas | 2019/10/07 07:00 | Stefan Cizelj-Zivkovic v Ivan Mikhaylyuk | 4-6,0-6 |
| ITF M15 Chornomorsk | 2019/09/22 07:30 | Stefan Cizelj-Zivkovic v Svyatoslav Ilnytskyy | 2-6,5-7 |
| ITF M15 Tabarka | 2019/09/15 13:00 | Stefan Cizelj-Zivkovic v Francesco Liucci | 2-6,0-6 |
| ITF M15 Tabarka | 2019/09/15 08:00 | Jason Janis v Stefan Cizelj-Zivkovic | 7-5,2-6,6-10 |
| ITF M25 Ust-Kamenogorsk | 2019/08/26 04:00 | Stefan Cizelj-Zivkovic v David Bogatin | 1-6,3-6 |
| ITF M15 Novi Sad | 2019/08/12 08:00 | Stefan Cizelj-Zivkovic v Stefan Micov | 4-6,4-6 |
| ITF M15 Heraklion | 2019/05/06 07:00 | Toby D. Boyer v Stefan Cizelj-Zivkovic | 6-2,6-1 |