Stadium: Court 22 Round: 44 Ground: Clay
| ITF M15 Oslo | 2019/03/06 11:00 | Mick Veldheer v Leyton Rivera | 6-1,6-4 |
| ITF M15 - Antalya | 2020/02/02 12:30 | Kazuki Shimizu v Grigoriy Korobeynikov | 7-6,6-2 |
| ITF M15 - Heraklion | 2019/11/10 07:30 | Martin Dimitrov v Grigoriy Korobeynikov | 6-3,6-4 |
| ITF M15 - Castellon | 2019/11/05 10:00 | Grigoriy Korobeynikov v Luis Diego Chavez Villalpando | 6-4,3-6,7-10 |
| ITF M15 - Castellon | 2019/11/04 13:30 | Grigoriy Korobeynikov v Filippo Giovannini | 6-2,6-1 |
| ITF M15 - Nules | 2019/10/28 08:30 | Juan Ignacio Alcalde v Grigoriy Korobeynikov | 6-3,6-4 |
| ITF M15 - Bukhara | 2019/10/16 08:40 | Sergey Shipilov v Grigoriy Korobeynikov | 6-2,6-1 |
| ITF M15 - Karshi | 2019/10/10 07:00 | Sanjar Fayziev v Grigoriy Korobeynikov | 6-2,6-4 |
| ITF M15 - Karshi | 2019/10/09 09:00 | Martin Borisiouk v Grigoriy Korobeynikov | 4-6,4-6 |