Stadium: Court 6 Round: 25 Ground: Clay
| ITF M15 Troisdorf | 2021/05/13 09:00 | Kai Wehnelt v Lucas Gerch | 4-6,6-4,5-7 |
| ITF M15 Troisdorf | 2021/05/11 12:35 | Lipovsek Puches, Tomas v Kai Wehnelt | 1-6,7-6,3-6 |
| ITF M15 Cairo | 2021/05/06 07:50 | Vidal Azorin, Jose Fco v Kai Wehnelt | 6-4,6-3 |
| ITF M15 Cairo | 2021/05/05 09:45 | Hanwen Li v Kai Wehnelt | 3-6,4-6 |
| ITF M15 Cairo | 2021/04/28 08:00 | Kai Wehnelt v Galarza, Juan Ignacio | 6-7,6-4,6-7 |
| ITF M15 Cairo | 2021/04/21 14:45 | Galarza, Juan Ignacio v Kai Wehnelt | 6-3,6-3 |
| ITF M25 Meerbusch | 2021/04/11 13:30 | Kai Wehnelt v Tanner, Gian Luca | 6-3,4-6,2-10 |
| ITF M25 Biel | 2021/03/29 07:55 | Kilian Feldbausch v Kai Wehnelt | 3-6,6-1,11-9 |
| Challenger Biella | 2021/05/16 12:50 | Rodriguez, Cristian v van Rijthoven, Tim | 6-7,6-7 |
| ITF - M15 Antalya | 2021/04/28 07:00 | Rodriguez, Cristian v Oleksii Krutykh | 4-6,1-6 |
| ITF - M25 Reus | 2021/04/14 10:00 | Emilio Nava v Rodriguez, Cristian | 6-4,4-6,6-2 |
| ITF - M25 Naples | 2021/02/27 16:20 | Harrison, Christian v Rodriguez, Cristian | 6-3,4-6,6-2 |
| ITF - M25 Naples | 2021/02/26 16:00 | Rodriguez, Cristian v Gonzalez, Alejandro | 6-3,5-7,7-6 |
| ITF - M25 Naples | 2021/02/25 14:50 | Alexander Ritschard v Rodriguez, Cristian | 5-7,6-7 |
| ITF - M25 Naples | 2021/02/24 18:00 | Novikov, Dennis v Rodriguez, Cristian | 1-6,2-6 |
| ITF - M25 Naples | 2021/02/17 19:10 | Rodriguez, Cristian v Fratangelo, Bjorn | 2-6,6-3,1-6 |