Stadium: Court 22 Round: 25 Ground: Clay
| ITF M15 St Petersburg | 2021/02/12 10:00 | Martin Krumich v Andrey Kuznetsov | 2-6,6-7 |
| ITF M15 St Petersburg | 2021/02/11 08:30 | Artem Dubrivnyy v Martin Krumich | 4-6,6-1,5-7 |
| ITF M15 St Petersburg | 2021/02/09 10:00 | Luigi Sorrentino v Martin Krumich | 2-6,6-7 |
| ITF M15 St Petersburg | 2021/02/05 08:30 | Alexey Zakharov v Martin Krumich | 7-5,6-1 |
| ITF M15 St Petersburg | 2021/02/04 06:55 | Martin Krumich v Artem Dubrivnyy | 6-7,6-2,6-3 |
| ITF M15 St Petersburg | 2021/02/02 09:00 | Martin Krumich v Boris Pokotilov | 7-5,6-0 |
| ITF M25 Jablonec Nad Nisou | 2020/09/23 08:00 | Sebastian Baez v Martin Krumich | 6-2,6-4 |
| ITF M25 Prague | 2020/09/14 10:30 | David Poljak v Martin Krumich | 7-5,7-6 |
| ITF M25 Vale Do Lobo | 2021/02/22 11:30 | Zakhar Trapeznikov v Lukas H Lilleengen | 7-5,4-6,8-10 |
| ITF M25 Vale Do Lobo | 2021/02/21 11:30 | Jose-Ricardo Nunes v Zakhar Trapeznikov | 6-4,1-6,4-10 |
| ITF M25 Villena | 2021/02/01 10:30 | Arjun Kadhe v Zakhar Trapeznikov | 6-4,6-1 |
| ITF M25 Villena | 2021/01/31 10:30 | Stefan Loncar v Zakhar Trapeznikov | 2-6,2-6 |
| ITF M15 Antalya | 2021/01/10 06:00 | Igor Trunov v Zakhar Trapeznikov | 6-4,7-6 |
| ITF M15 Antalya | 2021/01/06 09:30 | Toby Alex Kodat v Zakhar Trapeznikov | 6-4,4-6,6-3 |
| ITF M15 Getafe Madrid | 2020/12/01 08:00 | Kenny de Schepper v Zakhar Trapeznikov | 6-2,6-3 |
| ITF M15 Getafe Madrid | 2020/11/30 08:00 | Max Basing v Zakhar Trapeznikov | 1-6,1-6 |