Stadium: Kvarner 4 Round: 60 Ground: Clay
| ITF Croatia F3 | 2018/03/18 14:30 | Tino Kovacic v Karlo Cubelic | 4-6,5-7 |
| ITF Croatia F3 | 2018/03/18 08:00 | Karlo Cubelic v Bernie Schranz | 6-3,6-2 |
| ITF Croatia F2 | 2018/03/12 08:00 | Karlo Cubelic v Nikolas Walterscheid-Tukic | 4-6,3-6 |
| ITF Croatia F1 | 2018/03/07 09:00 | Vasile Antonescu v Karlo Cubelic | 6-4,6-2 |
| ITF Croatia F1 | 2018/03/04 14:30 | Karlo Cubelic v Grega Boh | 6-0,6-2 |
| ITF Croatia F1 | 2018/03/04 09:00 | Dennis Katzenwadel v Karlo Cubelic | 3-6,0-6 |
| ITF Switzerland F1 Qual | 2018/02/04 11:30 | Dominik Kellovsky v Karlo Cubelic | 6-1,7-6 |
| ITF Germany F3 | 2018/01/30 12:30 | Valentin Guenther v Karlo Cubelic | 6-7,6-4,6-4 |
| ITF Croatia F3 | 2018/03/18 14:30 | Luka Miklavcic v Philip Aplienz | 6-4,6-7,5-7 |
| ITF Turkey F48 Qual | 2017/12/17 07:45 | Philip Aplienz v Maurizio Speziali | 4-6,7-5,0-6 |
| ITF Turkey F47 Qual | 2017/12/09 06:45 | Artur Kulibaba v Philip Aplienz | 6-2,7-6 |
| ITF Hungary F8 | 2017/09/06 09:05 | Philip Aplienz v Danylo Kalenichenko | 1-6,0-6 |
| ITF Hungary F8 | 2017/09/05 10:45 | Marton Szappanos v Philip Aplienz | 7-5,5-7,3-6 |
| ITF Hungary F8 Qual | 2017/09/04 10:15 | Grega Teraz v Philip Aplienz | 0-6,3-6 |
| ITF Hungary F8 Qual | 2017/09/03 07:30 | Philip Aplienz v Dominik Hruncak | 7-5,6-1 |
| ITF Hungary F8 Qual | 2017/09/02 07:30 | Martin Zeljenka v Philip Aplienz | 4-6,1-6 |