| UTR Pro Dubai | 2024/03/08 06:30 | Mert Naci Turker v Kai Lemstra | 6-1,2-6,1-6 |
| UTR Pro Dubai | 2024/03/07 07:43 | Koray Kirci v Kai Lemstra | 2-6,0-6 |
| UTR Pro Dubai | 2024/03/05 05:00 | Lazar Vojinovic v Kai Lemstra | 4-6,7-5,6-7 |
| UTR Pro Dubai | 2024/03/04 06:30 | Kai Lemstra v Grigory Kuklin | 6-2,6-4 |
| ITF M25 Trento | 2024/02/20 10:30 | Andrea Guerrieri v Kai Lemstra | 6-1,7-5 |
| ITF M15 Oberhaching | 2024/02/13 10:00 | Tommaso Compagnucci v Kai Lemstra | 6-3,6-4 |
| ITF M25 Nussloch | 2024/01/24 15:15 | Kai Lemstra v Kirill Kivattsev | 1-6,6-7 |
| ITF M15 Cadolzburg | 2024/01/17 09:55 | Kai Lemstra v Vincent Marysko | 6-7,4-6 |
| UTR Pro Dubai | 2024/03/08 06:30 | Stevan Popovic v Kristian Juhas | 6-7,2-6 |
| UTR Pro Dubai | 2024/03/07 08:41 | Daniel Salazar v Kristian Juhas | 7-6,0-6,0-6 |
| UTR Pro Dubai | 2024/03/05 09:00 | Benedikt Henning v Kristian Juhas | 2-6,6-7 |
| UTR Pro Dubai | 2024/03/04 05:00 | Kristian Juhas v Andrey Chepelev | 6-1,6-3 |
| UTR Pro Belgrado | 2023/10/12 06:00 | Kristian Juhas v Yanais Laurent | 0-6,0-6 |
| UTR Pro Belgrado | 2023/10/11 09:00 | Aleksandar Mihailovic v Kristian Juhas | 6-2,3-6,2-6 |
| UTR Pro Belgrado | 2023/10/10 12:00 | Aleksa Pisaric v Kristian Juhas | 4-6,4-6 |
| UTR Pro Belgrado | 2023/10/08 10:30 | Kristian Juhas v Ivan Sodan | 6-2,3-3 |