Stadium: Court 2 Round: 25 Ground: Clay
| Minsk, Singles M-ITF-BLR-01A | 2019/08/23 07:00 | Ivan Liutarevich v Krstev, Ondrej | 6-3,6-3 |
| Minsk, Singles M-ITF-BLR-01A | 2019/08/22 07:00 | Khomich, Aleksei v Krstev, Ondrej | 2-6,5-7 |
| Minsk, Singles M-ITF-BLR-01A | 2019/08/21 09:25 | Mladenov, Vasko v Krstev, Ondrej | 4-6,4-6 |
| Baja, Singles Qualifying M-ITF-HUN-03A | 2019/08/16 08:00 | Krstev, Ondrej v Mate Valkusz | 3-6,5-7 |
| Baja, Singles Qualifying M-ITF-HUN-03A | 2019/08/15 08:00 | Krstev, Ondrej v Dusan Obradovic | 6-1,6-4 |
| Wetzlar, Singles Qualifying M-ITF-GER-11A | 2019/08/07 13:45 | Santanna, B. v Krstev, Ondrej | 6-0,6-2 |
| Wetzlar, Singles Qualifying M-ITF-GER-11A | 2019/08/06 09:10 | Tabrizi, Keivon v Krstev, Ondrej | 4-6,0-6 |
| Piestany, Singles M-ITF-SVK-02A | 2019/07/16 13:15 | Vit Kopriva v Krstev, Ondrej | 6-3,6-1 |
| Baja, Singles Qualifying M-ITF-HUN-03A | 2019/08/15 12:30 | Jirousek, Tomas v Gorazd Srbljak | 5-7,6-7 |
| Baja, Singles Qualifying M-ITF-HUN-03A | 2019/08/14 16:20 | Jirousek, Tomas v Francisco Comesana | 6-4,1-6,6-1 |
| ITF M15 Novi Sad | 2019/08/06 11:30 | Jirousek, Tomas v Maciej Rajski | 4-6,3-6 |
| Wels, Singles M-ITF-AUT-03A | 2019/07/27 12:20 | Erler, Alexander v Jirousek, Tomas | 6-1,6-3 |
| Wels, Singles M-ITF-AUT-03A | 2019/07/26 10:00 | Jirousek, Tomas v Vitaliy Sachko | 7-5,4-6,6-4 |
| Wels, Singles M-ITF-AUT-03A | 2019/07/25 10:00 | Podzus, Martins v Jirousek, Tomas | 3-6,1-6 |
| Wels, Singles M-ITF-AUT-03A | 2019/07/24 14:25 | Szintai, David v Jirousek, Tomas | 6-7,1-6 |
| Piestany, Singles M-ITF-SVK-02A | 2019/07/17 09:25 | Jirousek, Tomas v Miladinovic, Marko | 3-6,7-5,1-6 |