Stadion: Court 8 Round: 54 Ground: Clay
| ITF - M15 - Frederiksberg | 2021/08/04 09:25 | Ryan Nijboer v Leyton Rivera | 6-4,6-2 |
| ITF - M15 - Frederiksberg | 2021/08/02 11:05 | Nazim Makhlouf v Leyton Rivera | 3-6,6-3,3-10 |
| ITF - M15 - Frederiksberg | 2021/08/01 10:00 | Eirik Groener v Leyton Rivera | 2-6,5-7 |
| ITF - M15 - Poprad | 2021/07/05 08:00 | Dominik Palan v Leyton Rivera | 6-3,6-2 |
| ITF - M15 - Poprad | 2021/07/04 11:00 | Samo Polakovic v Leyton Rivera | 4-6,6-0,4-10 |
| ITF - M15 - Skopje | 2021/06/07 13:00 | Toby Martin v Leyton Rivera | 7-6,5-7,11-9 |
| ITF - M15 - Novomoskovsk | 2021/05/31 10:00 | Leyton Rivera v Dzianis Zharyn | 6-7,2-6 |
| ITF - M15 - Novomoskovsk | 2021/05/31 06:15 | Leyton Rivera v Illya Maksymchuk | 6-1,6-3 |
| ITF - M15 - Bratislava | 2021/08/16 10:30 | Tomas Lanik v Milos Karol | 4-6,7-5,12-10 |
| ITF - M25 - Grodzisk Mazowiecki | 2021/08/02 14:25 | Svyatoslav Ilnytskyy v Tomas Lanik | 6-3,6-0 |
| ITF - M25 - Grodzisk Mazowiecki | 2021/08/02 08:00 | Tomas Lanik v Juliusz Bienkiewicz | 4-6,6-1,10-5 |
| ITF - M25 - Grodzisk Mazowiecki | 2021/08/01 09:35 | Tomas Lanik v Dariusz Kuczynski | 6-2,6-1 |
| ITF - M25 - Kottingbrunn | 2021/07/18 07:30 | Tomas Lanik v Francisco Vittar | 4-6,2-6 |
| ITF - M15 - Poprad | 2021/07/05 08:00 | Tomas Lanik v Michal Novansky | 7-6,2-6,5-10 |
| ITF - M15 - Poprad | 2021/07/04 11:00 | Martin Krumich v Tomas Lanik | 3-6,3-6 |
| ITF - M25 - Wroclaw | 2021/06/27 11:00 | Tomas Lanik v Olaf Pieczkowski | 2-6,3-6 |