Stadium: Clay 4 Round: 25 Ground: Clay
| ITF M15 Telfs | 2019/07/09 08:55 | Tomas Liska v Moritz Thiem | 6-7,3-6 |
| ITF M15 Szekesfehervar | 2019/09/05 12:30 | Genaro Alberto Olivieri v Tomas Liska | 6-1,6-4 |
| ITF M15 Szekesfehervar | 2019/09/03 08:00 | Tomas Liska v Vitaliy Sachko | 6-3,7-6 |
| ITF M15 Szekesfehervar | 2019/09/02 08:00 | Balint Balogh v Tomas Liska | 1-6,6-4,10-12 |
| ITF M15 Szekesfehervar | 2019/09/01 10:30 | Martin Zeljenka v Tomas Liska | 4-6,2-6 |
| ITF M15 Bratislava | 2019/08/27 08:00 | Tomas Liska v Jiri Barnat | 6-1,6-1 |
| ITF M15 Bratislava | 2019/08/26 08:00 | Tomas Liska v Lukas Palovic | 6-2,6-2 |
| ITF M15 Baja | 2019/08/15 12:05 | Juan Manuel Cerundolo v Tomas Liska | 6-3,6-2 |
| ITF M15 Baja | 2019/08/14 15:05 | Neil Oberleitner v Tomas Liska | 2-6,0-6 |
| ITF M15 Tabarka | 2019/09/10 10:05 | Thomas Laurent v Moritz Thiem | 3-6,6-4,7-5 |
| ITF M15 Tabarka | 2019/09/02 16:00 | Ilarion Danilchenko v Moritz Thiem | 7-5,3-6,10-7 |
| ITF M15 Bratislava | 2019/08/27 08:00 | Moritz Thiem v Juraj Masar | 1-6,7-6,7-10 |
| ITF M25 Vogau | 2019/08/08 11:45 | Moritz Thiem v Bogdan Bobrov | 2-6,1-6 |
| ITF M25 Vogau | 2019/08/07 14:05 | Frane Nincevic v Moritz Thiem | 4-6,3-6 |
| ATP Kitzbuhel | 2019/07/27 13:45 | Moritz Thiem v Elliot Benchetrit | 6-7,0-6 |
| ITF M15 Wels | 2019/07/23 15:30 | Mick Veldheer v Moritz Thiem | 6-0,6-1 |
| ITF M15 Kramsach | 2019/07/16 10:30 | Moritz Thiem v Ergi Kirkin | 6-7,0-6 |