Stadium: Kvarner 2 Round: 60 Ground: Clay
| ITF Croatia F3 | 2018/03/19 11:00 | Mike Urbanija v Nemanja Subanovic | 3-6,6-4,6-2 |
| ITF Croatia F2 | 2018/03/15 09:00 | Mike Urbanija v Mate Valkusz | 1-6,4-6 |
| ITF Croatia F2 | 2018/03/14 09:00 | Mate Delic v Mike Urbanija | 5-7,6-2,4-6 |
| ITF Croatia F2 | 2018/03/13 08:00 | Mike Urbanija v Flemming Peters | 6-3,6-0 |
| ITF Croatia F2 | 2018/03/11 08:00 | Mike Urbanija v Andrea Fiorentini | 6-4,6-0 |
| ITF Turkey F7 | 2018/02/19 08:00 | Mike Urbanija v Marko Miladinovic | 2-6,2-6 |
| ITF Turkey F7 | 2018/02/18 10:30 | Bogdan Borza v Mike Urbanija | 6-3,2-6,2-6 |
| ITF Turkey F7 | 2018/02/18 06:30 | Jurgen Briand v Mike Urbanija | 4-6,6-1,1-6 |
| ITF Croatia F3 | 2018/03/19 12:30 | Constantin Christ v Dusan Rajic | 7-6,0-6,7-5 |
| ITF Croatia F3 | 2018/03/18 16:00 | Constantin Christ v Dominik Kisantal | 6-2,6-4 |
| ITF Qatar F3 Qual | 2018/03/11 17:15 | Hong Kit Wong v Constantin Christ | 6-3,6-4 |
| ITF Qatar F3 Qual | 2018/03/10 08:00 | Hamad Nawaf v Constantin Christ | 2-6,1-6 |
| ITF Qatar F2 Qual | 2018/03/04 12:00 | Constantin Christ v Sean Hodkin | 2-6,1-6 |
| ITF Qatar F1 Qual | 2018/02/25 12:00 | George Botezan v Constantin Christ | 6-4,6-3 |
| ITF Qatar F1 Qual | 2018/02/24 08:00 | Mohamed Adnaoui v Constantin Christ | 1-6,6-4,3-6 |
| ITF Switzerland F1 Qual | 2018/02/04 11:30 | Constantin Christ v Jakob Aichhorn | 6-7,0-6 |