Stadium: Kvarner 5 Round: 60 Ground: Clay
| ITF Croatia F3 | 2018/03/19 09:00 | Kai Lemstra v Michelangelo Endrizzi | 6-3,6-4 |
| ITF Croatia F2 | 2018/03/14 09:00 | Kai Lemstra v Bruno Santanna | 3-6,3-6 |
| ITF Croatia F2 | 2018/03/13 08:00 | Kai Lemstra v Valentin Royer | 1-6,6-4,6-3 |
| ITF Croatia F2 | 2018/03/11 08:00 | Kai Lemstra v Marco De Rosa | 6-2,6-3 |
| ITF Croatia F1 | 2018/03/07 09:00 | Anze Arh v Kai Lemstra | 7-5,6-1 |
| ITF Germany F3 Qual | 2018/01/29 16:30 | Dominik Boehler v Kai Lemstra | 7-6,7-6 |
| ITF Germany F3 Qual | 2018/01/28 17:00 | Charley Emhardt v Kai Lemstra | 1-6,2-6 |
| ITF Germany F2 | 2018/01/23 15:35 | Kai Lemstra v Pedro Cachin | 3-6,3-6 |
| ITF Croatia F3 | 2018/03/19 09:00 | Pietro Pirolt v Edoardo Pompei | 2-6,0-6 |
| ITF Croatia F2 | 2018/03/10 10:00 | Nemanja Malesevic v Edoardo Pompei | 4-6,6-3,7-5 |
| ITF Croatia F1 | 2018/03/04 13:30 | Edoardo Pompei v Gabriel Schmidt | 2-6,4-6 |
| ITF Italy F23 Qual | 2017/07/24 07:30 | Luca Prevosto v Edoardo Pompei | 6-4,6-1 |
| ITF Italy F23 Qual | 2017/07/23 08:30 | Edoardo Pompei v Alberto Bronzetti | 6-3,6-3 |
| ITF Italy F23 Qual | 2017/07/22 08:30 | Matteo Curci v Edoardo Pompei | 5-7,6-3,3-6 |
| ITF Italy F22 | 2017/07/16 07:30 | Abdullah Maqdes v Edoardo Pompei | 6-3,6-4 |
| ITF Italy F22 | 2017/07/15 07:00 | Edoardo Pompei v Francesco Passaro | 6-4,6-1 |