Round: 54 Ground: Clay
| ITF M15 - Oldenzaal | 2019/08/12 07:30 | Jing L Weng v Stefan Loncar | 6-7,3-6 |
| ITF M15 Den Haag | 2019/07/02 12:30 | David Volfson v Stefan Loncar | 6-4,6-0 |
| ITF M15 Den Haag | 2019/07/01 09:30 | Stefan Loncar v Mathis Moysan | 3-6,6-3,10-6 |
| ITF Netherlands F2 Qual | 2018/06/30 07:00 | Amadatus Admiraal v Stefan Loncar | 6-2,6-2 |
| ITF Netherlands F1 Qual | 2018/06/23 08:00 | Guillaume Dermiens v Stefan Loncar | 6-2,6-3 |
| ITF M15 Wetzlar | 2019/08/05 13:00 | Luis Humberto Lopez v Christopher Patzanovsky | 6-2,5-7,10-6 |
| ITF M25 Dublin | 2019/07/29 09:00 | Dorian Kos v Christopher Patzanovsky | 6-3,7-6 |
| ITF M15 - Casablanca | 2019/07/22 09:00 | Christopher Patzanovsky v Nathan Seateun | 1-6,5-7 |
| ITF M15 - Tanger | 2019/07/17 09:00 | Louis Tessa v Christopher Patzanovsky | 6-1,6-0 |
| ITF M15 - Tanger | 2019/07/15 13:30 | Javier Naser v Christopher Patzanovsky | 4-6,3-6 |
| ITF M15 - Tanger | 2019/07/15 09:00 | Christopher Patzanovsky v Jonas Schaer | 6-4,2-6,13-11 |
| ITF Austria F6 | 2018/08/06 12:15 | Mariano Kestelboim v Christopher Patzanovsky | 6-2,6-4 |
| ITF Austria F6 | 2018/08/05 09:00 | Christopher Patzanovsky v Vital Flurin Leuch | 7-6,6-2 |