Stadium: Court 5 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Tulsa | 2019/06/17 15:00 | Aron Hiltzik v Joshua Sheehy | 6-3,6-4 |
| ITF M15 Champaign | 2019/06/04 17:00 | Vuk Budic v Aron Hiltzik | 1-6,7-5,7-6 |
| ITF M25 Calabasas | 2019/03/18 17:00 | Gonzalo Lama v Aron Hiltzik | 7-5,7-6 |
| ITF M15 Arcadia | 2019/03/13 20:55 | Aron Hiltzik v Finn Bass | 6-2,5-7,1-6 |
| ITF M15 Arcadia | 2019/03/12 17:30 | Gage Brymer v Aron Hiltzik | 6-7,2-6 |
| ITF M15 Arcadia | 2019/03/11 17:00 | Petros Tsitsipas v Aron Hiltzik | 4-6,2-6 |
| ITF M25 Weston | 2019/01/28 14:30 | Christian Lindell v Aron Hiltzik | 1-6,6-2,10-8 |
| ITF M25 Palm Coast | 2019/01/23 19:25 | Aron Hiltzik v Nicolas Mejia | 2-6,2-6 |
| ITF M25 Tulsa | 2019/06/17 15:00 | Luke Vandecasteele v Mate Zsiga | 4-6,6-2,7-10 |
| ITF USA F34 | 2018/11/29 16:00 | Jacob Dunbar v Mate Zsiga | 6-1,6-3 |
| ITF USA F34 | 2018/11/28 16:00 | Henry Craig v Mate Zsiga | 6-1,6-7,4-6 |
| ITF USA F34 | 2018/11/26 16:00 | Mate Zsiga v Ronnie Schneider | 7-6,3-6,6-4 |
| ITF USA F34 | 2018/11/25 16:00 | Samuel Shropshire v Mate Zsiga | 2-6,3-6 |
| ITF USA F28B | 2018/10/23 15:00 | Mate Zsiga v Ryan Peniston | 2-6,2-6 |
| ITF USA F28B | 2018/10/22 15:00 | Mate Zsiga v Uros Petronijevic | 6-4,4-6,6-3 |
| ITF USA F28B | 2018/10/21 15:00 | Grey Hamilton v Mate Zsiga | 2-6,1-6 |