Stadium: Court C Round: 54 Ground: Clay
| ITF M25 - Grodzisk Mazowiecki | 2021/08/01 13:25 | Dawid Taczala v Nikolas Lahky | 6-2,6-2 |
| ITF M15 - Novi Sad | 2021/07/26 12:00 | Nikolas Lahky v Bekkhan Atlangeriev | 3-6,2-6 |
| ITF M15 - Novi Sad | 2021/07/25 12:00 | Marko Stakusic v Nikolas Lahky | 3-6,5-7 |
| ITF M25 - Kottingbrunn | 2021/07/18 07:30 | Nikolas Lahky v Samuel Puskar | 3-6,2-6 |
| ITF M15 - Poprad | 2021/07/04 08:00 | Janos Fekete v Nikolas Lahky | 6-2,7-6 |
| ITF M25 - Wroclaw | 2021/06/27 12:30 | Michal Novansky v Nikolas Lahky | 6-4,6-4 |
| ITF M15 - Sarajevo | 2021/05/31 12:00 | Moritz Trocker v Nikolas Lahky | 6-2,6-1 |
| ITF M15 - Sarajevo | 2021/05/30 10:30 | Nikolas Lahky v Petar Pjevcevic | 6-3,7-5 |
| ITF M25 - Prostejov | 2021/08/15 08:00 | Filip Kana v Victor Sklenka | 1-6,1-6 |
| Challenger Prag | 2021/08/08 08:30 | Victor Sklenka v Uladzimir Ignatik | 0-6,0-6 |
| ITF M25 - Prag | 2021/05/10 08:00 | Victor Sklenka v Andrew Paulson | 1-6,2-6 |
| ITF M15 - Cairo | 2021/05/04 08:00 | Volodymyr Uzhylovskyi v Victor Sklenka | 6-1,6-0 |
| ITF M15 - Cairo | 2021/05/03 11:00 | Victor Sklenka v Christian Didier Chin | 6-1,2-6,10-6 |
| ITF M25 - Pardubice | 2020/09/27 09:00 | Victor Sklenka v Mick Veldheer | 1-6,2-6 |
| ITF M25 - Prag | 2020/09/13 08:00 | Lucas Gerch v Victor Sklenka | 6-0,6-1 |