Round: 27 Ground: Clay
| ITF Croatia F3 | 2017/03/20 13:30 | Naoki Nakagawa v Alen Avidzba | 3-6,4-6 |
| ITF Croatia F3 | 2017/03/23 14:20 | Alen Avidzba v Roko Savin | 7-5,6-3 |
| ITF Croatia F3 | 2017/03/22 10:45 | Attila Balazs v Alen Avidzba | 6-4,5-7,2-6 |
| ITF Croatia F3 | 2017/03/20 13:30 | Naoki Nakagawa v Alen Avidzba | 3-6,4-6 |
| ITF Croatia F3 | 2017/03/20 09:00 | Jiri Vachtl v Alen Avidzba | 1-6,3-6 |
| ITF Croatia F2 | 2017/03/16 09:00 | Riccardo Bellotti v Alen Avidzba | 6-2,6-3 |
| ITF Croatia F2 | 2017/03/15 12:40 | Davide Pontoglio v Alen Avidzba | 3-6,4-6 |
| ITF Croatia F2 | 2017/03/13 12:15 | Mircea-Alexandru Jecan v Alen Avidzba | 5-7,3-6 |
| ITF Croatia F2 | 2017/03/13 08:30 | Fabian Gruber v Alen Avidzba | 0-6,3-6 |
| ITF Croatia F3 | 2017/03/23 09:00 | Naoki Nakagawa v Nino Serdarusic | 7-6,1-6,6-4 |
| ITF Croatia F3 | 2017/03/22 10:05 | Alexandar Lazarov v Naoki Nakagawa | 2-6,0-6 |
| ITF Croatia F3 | 2017/03/20 13:30 | Naoki Nakagawa v Alen Avidzba | 3-6,4-6 |
| ITF Croatia F3 | 2017/03/20 09:00 | Naoki Nakagawa v Marco Miceli | 7-6,6-2 |
| ITF Croatia F3 | 2017/03/19 08:30 | Naoki Nakagawa v Lukas Krainer | 6-4,6-2 |
| ITF Croatia F3 | 2017/03/18 10:30 | Naoki Nakagawa v Marin Jurkovic | 6-0,6-1 |
| ITF Croatia F2 | 2017/03/12 13:00 | Naoki Nakagawa v Tim Van Terheijden | 3-6,7-5,3-6 |
| ITF Croatia F2 | 2017/03/12 08:30 | Naoki Nakagawa v Darko Bojanovic | 3-6,6-2,6-1 |