Stadium: Court 5 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Zilina | 2021/08/30 07:30 | Paul Valsecchi v Simon Sedliak | 7-5,7-5 |
| ITF M15 Bratislava | 2021/08/23 09:00 | Kristof Minarik v Simon Sedliak | 6-2,6-0 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/02 11:05 | Piotr Matuszewski v Simon Sedliak | 2-6,6-4,10-4 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/01 13:55 | Simon Sedliak v Peter Samosi | 6-2,7-5 |
| ITF M15 Poprád | 2021/07/04 11:00 | Dominik Palan v Simon Sedliak | 6-3,6-1 |
| ITF M15 Novomoskovsk | 2021/05/31 06:15 | Aleksandr Braynin v Simon Sedliak | 7-6,6-1 |
| ITF M15 Novomoskovsk | 2021/05/30 06:15 | Philipp Sikorski v Simon Sedliak | 1-6,6-7 |
| ITF M15 Monastir | 2021/04/19 11:00 | Filip Bergevi v Simon Sedliak | 6-1,6-2 |
| ITF M15 Ulcinj | 2021/09/19 08:00 | Eric Morris v Osman Torski | 1-6,2-6 |
| ITF M15 Ulcinj | 2021/09/13 08:00 | Eric Morris v Deney Wassermann | 4-6,6-3,8-10 |
| ITF M15 Ulcinj | 2021/09/12 08:00 | Maxim Krapivin v Eric Morris | 4-6,2-6 |
| ITF M15 Ulcinj | 2021/09/06 07:30 | Daisuke Sumizawa v Eric Morris | 7-6,6-1 |
| ITF M15 Zilina | 2021/08/30 07:30 | Radovan Michalik v Eric Morris | 7-6,4-6,10-6 |
| ITF M15 Bratislava | 2021/08/23 09:00 | Giles Hussey v Eric Morris | 6-4,6-4 |
| ITF M15 Bratislava | 2021/08/17 08:00 | Eric Morris v Jiri Barnat | 4-6,6-7 |
| ITF M15 Bratislava | 2021/08/16 08:00 | Marek Semjan v Eric Morris | 7-6,4-6,6-10 |