Estadio: Court 4 Round: 45 Ground: Hardcourt outdoor
| ITF Grecia F8 | 2018/11/13 11:40 | Petros Tsitsipas v Conor Berg | 6-4,3-6,4-6 |
| ITF Grecia F7 | 2018/11/08 08:55 | Baptiste Crepatte v Petros Tsitsipas | 6-3,3-6,6-3 |
| ITF Grecia F7 | 2018/11/07 08:55 | Emmanuel Luria v Petros Tsitsipas | 2-6,6-7 |
| ITF Grecia F7 | 2018/11/05 07:30 | Eric Ahren Moonga v Petros Tsitsipas | 7-5,3-6,4-6 |
| ITF Grecia F7 | 2018/11/03 10:00 | Hans Albert Schubert v Petros Tsitsipas | 1-6,3-6 |
| ITF Túnez F35 | 2018/10/06 08:30 | Jakob Groener v Petros Tsitsipas | 7-6,7-5 |
| ITF Túnez F34 | 2018/09/30 10:00 | Petros Tsitsipas v Matteo Arnaldi | 0-6,2-6 |
| ITF Túnez F33 | 2018/09/24 09:00 | Petros Tsitsipas v Alban Meuffels | 0-6,2-6 |
| 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 |
| Challenger de Champaign | 2018/11/10 16:00 | Gui Gomes v Aron Hiltzik | 2-6,6-4,6-4 |
| ITF EE. UU. F28B | 2018/10/22 20:05 | Ronnie Schneider v Aron Hiltzik | 6-3,6-4 |
| ITF EE. UU. F28 | 2018/10/15 14:00 | Trent Bryde v Aron Hiltzik | 6-3,7-6 |
| ITF EE. UU. F28 | 2018/10/14 15:00 | Aron Pierce v Aron Hiltzik | 5-7,0-6 |
| ITF EE. UU. F27 | 2018/10/10 15:00 | Ronnie Schneider v Aron Hiltzik | 6-4,7-6 |
| ITF EE. UU. F27 | 2018/10/08 16:55 | Aron Hiltzik v Aron Pierce | 6-4,6-1 |