Stadium: Court 8 Round: 44 Ground: Clay
| ITF M25 Prostějov | 2021/08/16 09:50 | Nico Hornitschek v Ondrej Valek | 6-1,6-2 |
| ITF M25 Prostějov | 2021/08/15 09:00 | Vojtech Vlkovsky v Ondrej Valek | 6-4,4-6,9-11 |
| ITF M25 Kottingbrunn | 2021/07/18 07:30 | Peter Goldsteiner v Ondrej Valek | 6-2,6-2 |
| ITF M15 Poprad | 2021/07/04 08:00 | Samuel Puskar v Ondrej Valek | 7-5,6-1 |
| ITF M25 Most | 2021/05/25 08:00 | Ondrej Valek v Sean Cuenin | 2-6,2-6 |
| ITF M25 Most | 2021/05/24 08:00 | Ondrej Valek v Alexander Wolfschmidt | 6-2,6-3 |
| ITF M25 Most | 2021/05/23 14:00 | George Loffhagen v Ondrej Valek | 4-6,1-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/16 11:30 | Ondrej Valek v Lucas Bouquet | 7-5,2-6,7-10 |
| ITF M25 Říčany | 2021/08/29 09:00 | Jesse De Jager v Noel Larwig | 3-6,6-3,4-10 |
| ITF M25 Trier | 2021/08/23 13:00 | Noel Larwig v Oscar Galimardanov | 2-6,5-7 |
| ITF M25 Trier | 2021/08/23 09:00 | Hendrik Jebens v Noel Larwig | 4-6,4-6 |
| ITF M15 Oldenzaal | 2021/08/16 10:00 | Guy Den Heijer v Noel Larwig | 6-3,6-4 |
| ITF M15 Oldenzaal | 2021/08/15 12:00 | Jannik Rother v Noel Larwig | 6-4,1-6,6-10 |
| ITF M15 Antalya | 2021/06/01 07:00 | Noel Larwig v Franco Roncadelli | 2-6,3-6 |
| ITF M15 Antalya | 2021/05/31 07:30 | Umut Akkoyun v Noel Larwig | 4-6,1-6 |
| ITF M15 Antalya | 2021/05/30 07:30 | Lewie Lane v Noel Larwig | 6-7,4-6 |