| ITF Croatia F3 | 2018/03/19 12:30 | Tommaso Gabrieli v Karlo Kajin | 7-6,6-4 |
| ITF Croatia F3 | 2018/03/18 10:30 | Marco De Rosa v Karlo Kajin | 6-7,6-2,2-6 |
| ITF Croatia F2 | 2018/03/12 08:00 | Andres Gabriel Ciurletti v Karlo Kajin | 6-3,6-3 |
| ITF Croatia F2 | 2018/03/10 09:00 | Karlo Kajin v Justin Schlageter | 3-6,6-2,6-4 |
| ITF Croatia F1 | 2018/03/08 09:00 | Pascal Meis v Karlo Kajin | 6-3,6-1 |
| ITF Austria F5 | 2017/07/29 07:00 | Charles Broom v Karlo Kajin | 6-0,6-4 |
| ITF Croatia F4 Qual | 2016/03/19 10:30 | Mihnea L.S. Turcu v Karlo Kajin | 1-6,6-2,6-0 |
| ITF Croatia F1 | 2016/02/27 10:30 | Karlo Kajin v Edoardo Lavagno | 0-6,2-6 |
| ITF M15 Fayetteville | 2019/09/18 14:00 | Takuto Niki v Ryan Goetz | 7-5,6-4 |
| ITF USA F21 Qual | 2018/07/28 14:00 | Ryan Goetz v Maxime Cressy | 3-6,4-6 |
| ITF USA F18 | 2018/06/28 14:00 | Markos Kalovelonis v Ryan Goetz | 6-3,6-2 |
| ITF USA F18 | 2018/06/27 19:30 | Patrick Daciek v Ryan Goetz | 3-6,1-6 |
| ITF USA F18 | 2018/06/25 19:30 | Ryan Goetz v Karl Poling | 6-4,6-2 |
| ITF USA F18 | 2018/06/25 14:00 | Ryan Goetz v Matthew Kandath | 6-1,6-4 |
| ITF USA F16 | 2018/06/22 20:45 | Andres Andrade v Ryan Goetz | 6-3,3-6,6-3 |
| ITF USA F16 | 2018/06/21 17:00 | Ryan Goetz v Alexander Knight | 4-6,6-4,6-2 |