Stadium: Court 1 Round: 27 Ground: Clay
| ITF M15 Varna | 2019/09/12 08:05 | Denis Klok v Shendrit Deari | 6-3,3-6,6-3 |
| ITF M15 Varna | 2019/09/10 08:00 | Denis Klok v Marco Saffratti | 4-6,6-3,6-1 |
| ITF M15 Eupen | 2019/08/10 13:30 | Michael Geerts v Denis Klok | 7-5,6-1 |
| ITF M15 Eupen | 2019/08/10 08:30 | Loic Cloes v Denis Klok | 6-7,7-5,4-6 |
| ITF M15 Eupen | 2019/08/06 12:10 | Vladimir Korolev v Denis Klok | 2-6,1-6 |
| ITF M15 Brussels | 2019/07/30 14:45 | Jesper De Jong v Denis Klok | 6-3,5-7,6-2 |
| ITF M15 Parnu | 2019/07/18 13:40 | Vladimir Ivanov v Denis Klok | 7-6,6-3 |
| ITF M15 Parnu | 2019/07/17 10:20 | Mikhail Korovin v Denis Klok | 7-6,4-6,1-6 |
| ITF M15 Varna | 2019/09/12 08:40 | Cosmin Ontica v Karlo Kranic | 5-7,1-6 |
| ITF M15 Varna | 2019/09/10 06:30 | Karlo Kranic v Philipp Dittmer | 6-1,6-2 |
| ITF M15 Novi Sad | 2019/08/13 13:55 | Karlo Kranic v Dimitriy Voronin | 1-6,2-6 |
| ITF M15 Novi Sad | 2019/08/01 08:00 | Karlo Kranic v Maciej Rajski | 3-6,2-6 |
| ITF M15 Novi Sad | 2019/07/31 10:45 | Fabian Marozsan v Karlo Kranic | 4-6,3-6 |
| ITF USA F29 | 2018/10/26 18:00 | Karlo Kranic v Rowland Phillips | 4-6,1-6 |
| ITF USA F25 | 2018/09/15 17:30 | Karlo Kranic v Chris Wettengel | 6-7,0-6 |
| ITF Bosnia and Herzegovina F3 | 2018/05/31 09:00 | Karlo Kranic v Tomislav Jotovski | 1-6,3-6 |