Stadion: Court 2 Round: 26 Ground: Clay
| ITF - M15 - Antalya | 2019/04/17 09:00 | Aliaksandr Prudnikau v Niklas Guttau | 1-6,0-6 |
| ITF - M15 - Antalya | 2019/04/16 09:00 | Michael Gloeckler v Niklas Guttau | 5-7,1-6 |
| ITF - M15 - Antalya | 2019/04/15 07:00 | Niklas Guttau v Shamael Chaudhry | 6-2,6-0 |
| ITF - M15 - Sharm El Sheikh | 2019/04/08 08:00 | Filip Kolasinski v Niklas Guttau | 7-6,6-2 |
| ITF - M15 - Sharm El Sheikh | 2019/04/05 08:00 | Niklas Guttau v Lukas Klein | 3-6,1-6 |
| ITF - M15 - Sharm El Sheikh | 2019/04/04 09:15 | Niklas Guttau v Luca Staeheli | 6-2,6-4 |
| ITF - M15 - Sharm El Sheikh | 2019/03/25 12:00 | Niklas Guttau v Anatoliy Petrenko | 7-5,3-6,6-10 |
| ITF - M15 - Sharm El Sheikh | 2019/03/25 10:00 | Simon Beaupain v Niklas Guttau | 6-7,4-6 |
| ITF - M15 - Antalya | 2019/04/17 07:55 | Karl Friberg v Dominik Boehler | 6-3,5-7,7-5 |
| ITF - M15 - Antalya | 2019/04/11 10:10 | Karl Friberg v Patrik Niklas-Salminen | 3-6,1-6 |
| ITF - M15 - Antalya | 2019/04/10 11:30 | Petr Nouza v Karl Friberg | 3-6,5-7 |
| ITF - M15 - Cancun | 2019/03/27 16:30 | Juan Pablo Varillas v Karl Friberg | 6-0,6-4 |
| ITF - M15 - Cancun | 2019/03/25 19:00 | Karl Friberg v Moritz Trocker | 6-2,5-7,10-1 |
| ITF - M15 - Cancun | 2019/03/25 17:00 | Karl Friberg v Lucas Gessner | 6-1,6-2 |
| ITF - M25 - Calabasas | 2019/03/18 17:00 | Karue Sell v Karl Friberg | 6-2,6-0 |
| ITF M15 Arcadia | 2019/03/14 18:30 | Karl Friberg v Emilio Nava | 4-6,2-6 |