Round: 60 Ground: Clay
| ITF Croatia F2 | 2018/03/15 09:00 | Urbanija, Mike v Mate Valkusz | 1-6,4-6 |
| ITF Croatia F2 | 2018/03/14 09:00 | Delic, Mate v Urbanija, Mike | 5-7,6-2,4-6 |
| ITF Croatia F2 | 2018/03/13 08:00 | Urbanija, Mike v Peters, Flemming | 6-3,6-0 |
| ITF Croatia F2 | 2018/03/11 08:00 | Urbanija, Mike v Andrea Fiorentini | 6-4,6-0 |
| ITF Turkey F7 | 2018/02/19 08:00 | Urbanija, Mike v Miladinovic, Marko | 2-6,2-6 |
| ITF Turkey F7 | 2018/02/18 10:30 | Borza, Bogdan v Urbanija, Mike | 6-3,2-6,2-6 |
| ITF Turkey F7 | 2018/02/18 06:30 | Briand, Jurgen v Urbanija, Mike | 4-6,6-1,1-6 |
| Turkey F6, Singles Qualifying | 2018/02/11 06:00 | Codescu, Razvan Marius v Urbanija, Mike | 7-5,6-2 |
| ITF Croatia F3 | 2018/03/18 13:00 | Martin Zeljenka v Subanovic, Nemanja | 5-7,1-6 |
| ITF Croatia F2 | 2018/03/10 08:00 | Camposeo, Simone v Subanovic, Nemanja | 4-6,7-6,7-5 |
| ITF Serbia F3 Qual | 2017/08/19 07:00 | Lawrence Bataljin v Subanovic, Nemanja | 0-6,6-4,6-0 |