Stadium: Clay 4 Round: 25 Ground: Clay
| ITF M15 Telfs | 2019/07/09 08:55 | Liska, Tomas v Thiem, Moritz | 6-7,3-6 |
| Szekesfehervar, Singles Qualifying M-ITF-HUN-05A | 2019/09/05 12:30 | Genaro Alberto Olivieri v Liska, Tomas | 6-1,6-4 |
| Szekesfehervar, Singles Qualifying M-ITF-HUN-05A | 2019/09/03 08:00 | Liska, Tomas v Vitaliy Sachko | 6-3,7-6 |
| Szekesfehervar, Singles Qualifying M-ITF-HUN-05A | 2019/09/02 08:00 | Balogh, Balint v Liska, Tomas | 1-6,6-4,10-12 |
| Szekesfehervar, Singles Qualifying M-ITF-HUN-05A | 2019/09/01 10:30 | Martin Zeljenka v Liska, Tomas | 4-6,2-6 |
| ITF M15 Bratislava | 2019/08/27 08:00 | Liska, Tomas v Jiri Barnat | 6-1,6-1 |
| ITF M15 Bratislava | 2019/08/26 08:00 | Liska, Tomas v Lukas Palovic | 6-2,6-2 |
| Baja, Singles Qualifying M-ITF-HUN-03A | 2019/08/15 12:05 | Juan Manuel Cerundolo v Liska, Tomas | 6-3,6-2 |
| Baja, Singles Qualifying M-ITF-HUN-03A | 2019/08/14 15:05 | Neil Oberleitner v Liska, Tomas | 2-6,0-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/10 10:05 | Laurent, Thomas v Thiem, Moritz | 3-6,6-4,7-5 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/02 16:00 | Danilchenko, Ilarion v Thiem, Moritz | 7-5,3-6,10-7 |
| ITF M15 Bratislava | 2019/08/27 08:00 | Thiem, Moritz v Masar, Juraj | 1-6,7-6,7-10 |
| Vogau, Singles Qualifying M-ITF-AUT-04A | 2019/08/08 11:45 | Thiem, Moritz v Bogdan Bobrov | 2-6,1-6 |
| Vogau, Singles Qualifying M-ITF-AUT-04A | 2019/08/07 14:05 | Nincevic, Frane v Thiem, Moritz | 4-6,3-6 |
| Kitzbuhel, Austria | 2019/07/27 13:45 | Thiem, Moritz v Elliot Benchetrit | 6-7,0-6 |
| Wels, Singles M-ITF-AUT-03A | 2019/07/23 15:30 | Veldheer, Mick v Thiem, Moritz | 6-0,6-1 |
| Kramsach, Singles M-ITF-AUT-02A | 2019/07/16 10:30 | Thiem, Moritz v Ergi Kirkin | 6-7,0-6 |