Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2020/03/03 09:50 | Jeffrey Von Der Schulenburg v Vladimir Korolev | 6-4,6-3 |
| ITF M15 Kazaň | 2020/01/23 07:00 | Jurabek Karimov v Vladimir Korolev | 6-3,6-3 |
| ITF M15 Kazaň | 2020/01/22 07:00 | Vladimir Korolev v Pavel Verbin | 6-2,6-1 |
| ITF M15 - Antalya | 2019/12/19 07:00 | Gustav Hansson v Vladimir Korolev | 6-3,6-3 |
| ITF M15 - Antalya | 2019/12/18 11:10 | Vladimir Korolev v Marco Bortolotti | 4-6,6-4,6-4 |
| ITF M15 - Antalya | 2019/12/04 07:00 | Alexander Shevchenko v Vladimir Korolev | 6-1,7-6 |
| ITF M15 - Antalya | 2019/11/27 07:00 | Gorazd Srbljak v Vladimir Korolev | 7-6,6-3 |
| ITF M15 - Antalya | 2019/10/30 07:00 | Vladimir Korolev v Mircea-Alexandru Jecan | 3-6,2-6 |
| ITF M15 Oberhaching | 2020/02/16 15:00 | Niklas Guttau v Emilien Voisin | 6-4,6-7,6-10 |
| ITF M15 Oberhaching | 2020/02/16 10:30 | Niklas Guttau v Joel Kuster | 6-4,7-6 |
| ITF M15 Heráklion | 2019/11/24 08:00 | Niklas Guttau v Athanassios Manekas | 5-7,2-6 |
| ITF M15 Sharm El Sheikh | 2019/11/20 10:35 | Lucas Hellfritsch v Niklas Guttau | 6-4,6-3 |
| ITF M15 Sharm El Sheikh | 2019/11/14 09:20 | Giorgio Ricca v Niklas Guttau | 6-2,4-6,7-6 |
| ITF M15 Sharm El Sheikh | 2019/11/13 11:40 | Mariano Alberto Hasenkopf v Niklas Guttau | 3-6,5-7 |
| ITF M15 Sharm El Sheikh | 2019/11/06 12:35 | Niklas Guttau v Sidane Pontjodikromo | 3-6,2-6 |
| Challenger Eckental | 2019/10/29 11:40 | Maxime Cressy v Niklas Guttau | 6-3,7-5 |