Stadium: Court 8 Round: 25 Ground: Hardcourt outdoor
| ITF M15 - Moskva | 2019/08/22 08:40 | Konstantin Kravchuk v Kristian Lozan | 7-5,6-3 |
| ITF M15 - Moskva | 2019/08/21 07:00 | Kristian Lozan v Sergey Fomin | 6-1,4-6,7-5 |
| ITF M15 - Moskva | 2019/08/16 09:55 | Kristian Lozan v Jurabek Karimov | 2-6,6-3,4-6 |
| ITF M15 - Moskva | 2019/08/15 07:00 | Kristian Lozan v Giovanni Calvano | 7-6,6-2 |
| ITF M15 - Moskva | 2019/08/14 11:00 | Kristian Lozan v Nicolas Rosenzweig | 6-2,6-2 |
| ITF M15 - Tabarka | 2019/08/06 08:00 | Kristian Lozan v Anze Arh | 6-1,6-2 |
| ITF M15 - Agadir | 2019/07/31 09:00 | Kristian Lozan v Nazim Makhlouf | 6-3,4-6,2-6 |
| ITF M15 - Casablanca | 2019/07/27 10:00 | Alexandar Lazarov v Kristian Lozan | 6-2,6-4 |
| ITF M15 - Kiryat Shmona | 2019/08/21 11:50 | Constantin Bittoun Kouzmine v Andrej Glvac | 3-6,2-6 |
| ITF M15 - Harare | 2019/06/18 08:55 | S D Prajwal Dev v Constantin Bittoun Kouzmine | 6-1,6-2 |
| Challenger Quimper | 2019/01/28 13:20 | Constantin Bittoun Kouzmine v Daniel Evans | 3-6,0-6 |
| ITF M15 - Bressuire | 2019/01/16 15:00 | Corentin Denolly v Constantin Bittoun Kouzmine | 6-1,7-5 |
| ITF Qatar F6 | 2018/12/17 11:55 | Constantin Bittoun Kouzmine v Michail Pervolarakis | 7-6,5-7,2-6 |
| ITF Qatar F5 | 2018/12/11 13:40 | Constantin Bittoun Kouzmine v Goncalo Oliveira | 3-6,6-7 |
| ITF Qatar F4 | 2018/12/04 13:35 | Duje Ajdukovic v Constantin Bittoun Kouzmine | 6-1,6-2 |
| ITF Kuwait F3 | 2018/11/18 07:00 | Aidan Mchugh v Constantin Bittoun Kouzmine | 6-1,6-3 |