Stadium: Court 8 Round: 25 Ground: Clay
| Wetzlar, Singles Qualifying M-ITF-GER-11A | 2019/08/05 12:00 | Tabrizi, Keivon v Maik Steiner | 4-6,6-4,10-5 |
| Wetzlar, Singles Qualifying M-ITF-GER-11A | 2019/08/05 08:00 | Tabrizi, Keivon v Selmani, Flamur | 6-0,6-0 |
| ITF M15 Alkmaar | 2019/06/24 13:00 | Terczynski, Mateusz v Tabrizi, Keivon | 6-3,6-2 |
| ITF - M25 Kiseljak | 2019/05/28 08:00 | Tabrizi, Keivon v Daniil Glinka | 3-6,6-7 |
| ITF - M15 Bucarest | 2019/05/20 09:00 | Tabrizi, Keivon v Mandocescu, Laurentiu | 6-3,4-6,11-13 |
| ITF M15 Prague | 2019/05/13 10:00 | Marek Gengel v Tabrizi, Keivon | 7-5,6-2 |
| ITF M15 Prague | 2019/05/13 07:30 | Schager, Alexander v Tabrizi, Keivon | 1-6,2-6 |
| ITF M15 Las Palmas | 2019/04/29 11:00 | Tabrizi, Keivon v Borras Isern, Joan B | 2-6,3-6 |
| Piestany, Singles M-ITF-SVK-02A | 2019/07/16 13:15 | Vit Kopriva v Krstev, Ondrej | 6-3,6-1 |
| ITF M15 Marburg | 2019/07/11 15:00 | Krstev, Ondrej v Kai Wehnelt | 3-6,4-6 |
| ITF M15 Marburg | 2019/07/09 12:00 | Nikolay Vylegzhanin v Krstev, Ondrej | 6-7,6-7 |
| ITF M15 Wroclaw | 2019/07/03 08:00 | Krstev, Ondrej v Daniel Michalski | 4-6,2-6 |
| ITF M25 Pardubice | 2019/06/24 08:00 | Timo Stodder v Krstev, Ondrej | 6-2,6-3 |
| Balatonalmadi, Singles Qualifying M-ITF-HUN-02A | 2019/06/18 08:00 | Krstev, Ondrej v Charles Broom | 2-6,3-6 |
| Balatonalmadi, Singles Qualifying M-ITF-HUN-02A | 2019/06/17 10:30 | Krstev, Ondrej v Necz, Andras | 6-3,6-3 |
| ITF M25 Most | 2019/05/31 08:00 | Colin Sinclair v Krstev, Ondrej | 6-2,6-3 |