Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 Sozopol | 2021/10/10 14:30 | Tomas Lanik v Hazem Naw | 2-6,2-6 |
| ITF M25 Prague | 2021/10/04 08:00 | Filip Duda v Tomas Lanik | 3-6,6-4,10-3 |
| ITF M25 Prague | 2021/10/03 08:00 | Tomas Lanik v Jiri Barnat | 7-6,6-3 |
| ITF M25 Pardubice | 2021/09/22 09:00 | Tomas Lanik v Matthew William Donald | 2-6,2-6 |
| ITF M25 Pardubice | 2021/09/21 09:45 | Oscar Galimardanov v Tomas Lanik | 2-6,7-6,8-10 |
| ITF M25 Pardubice | 2021/09/20 10:00 | Tomas Lanik v Alan F R Fierros | 2-6,6-4,10-6 |
| ITF M15 Zilina | 2021/08/31 09:30 | Dominik Kellovsky v Tomas Lanik | 6-1,6-4 |
| ITF M15 Bratislava | 2021/08/23 09:00 | Tomas Lanik v Sean Hess | 5-7,4-6 |
| ITF M15 Girona | 2021/10/19 08:00 | Rimpei Kawakami v Lorenzo Joaquin Rodriguez | 1-6,1-6 |
| ITF M15 Girona | 2021/10/17 13:00 | Rimpei Kawakami v Jeremias Lima-Perez | 6-1,6-1 |
| ITF M15 Platja D'Aro | 2021/10/13 15:00 | Clement Tabur v Rimpei Kawakami | 6-3,7-6 |
| ITF M15 Platja D'Aro | 2021/10/12 08:30 | Rimpei Kawakami v Gerard Planelles Ripoll | 6-4,6-2 |
| ITF M15 Platja D'Aro | 2021/10/10 08:00 | Rimpei Kawakami v Xavi Matas Ortega | 2-6,6-3,10-6 |
| ITF M15 Platja D'Aro | 2021/10/06 12:00 | Rimpei Kawakami v Matvey Minin | 4-6,3-6 |
| ITF M15 Melilla | 2021/09/24 12:55 | Rimpei Kawakami v Lorenzo Joaquin Rodriguez | 7-6,4-6,2-6 |
| ITF M15 Ulcinj | 2021/09/16 10:05 | Rimpei Kawakami v Mariano Navone | 2-6,6-7 |