Stadium: Court 11 Round: 44 Ground: Hardcourt outdoor
| Challenger Portoroz | 2019/08/12 17:50 | Aldin Setkic v Sven Lah | 6-4,6-3 |
| ITF M15 Wels | 2019/07/22 10:45 | Vladislav Melnic v Sven Lah | 6-0,7-6 |
| ITF M15 Wels | 2019/07/22 07:30 | Sven Lah v Neil Oberleitner | 6-1,6-3 |
| ITF Austria F5 | 2018/08/02 11:05 | Sven Lah v Tomislav Jotovski | 5-7,2-6 |
| ITF Austria F5 | 2018/07/31 08:00 | Jonathan Stenberg v Sven Lah | 1-6,2-6 |
| ITF Austria F1 | 2018/07/01 07:30 | Sven Lah v Jakob Aichhorn | 6-3,6-4 |
| ITF Austria F1 | 2018/06/30 11:00 | Sven Lah v Vital Flurin Leuch | 6-1,6-0 |
| ITF Czech Republic F4 | 2018/06/27 11:55 | Peter Torebko v Sven Lah | 7-5,6-3 |
| ITF M25 Houston | 2019/09/20 00:00 | Tadeas Paroulek v Liam Caruana | 1-6,1-6 |
| ITF M25 Houston | 2019/09/18 19:00 | Sebastian Fanselow v Tadeas Paroulek | 5-7,6-3,4-6 |
| ITF M15 Novi Sad | 2019/08/10 08:00 | Marko Miladinovic v Tadeas Paroulek | 6-4,3-6,6-4 |
| ITF M15 Novi Sad | 2019/08/09 08:00 | Tadeas Paroulek v Yshai Oliel | 7-5,0-6,6-4 |
| ITF M15 Novi Sad | 2019/08/08 08:00 | Tadeas Paroulek v Maciej Rajski | 3-6,6-3,6-2 |
| ITF M15 Novi Sad | 2019/08/06 13:40 | Tadeas Paroulek v Timur Kiyamov | 6-2,6-4 |
| ITF M15 Novi Sad | 2019/08/01 08:00 | Conner Huertas Del Pino v Tadeas Paroulek | 3-6,6-0,6-3 |
| ITF M15 Novi Sad | 2019/07/30 11:15 | Timur Kiyamov v Tadeas Paroulek | 6-2,4-6,2-6 |