Stadium: Court 1 Round: 54 Ground: Clay
| ITF M15 Antalya | 2021/06/07 07:00 | Francisco Comesana v Gian Luca Tanner | 6-1,6-2 |
| ITF M15 Antalya | 2021/06/06 07:30 | Gian Luca Tanner v Caspar Schuetze | 1-6,6-4,10-4 |
| ITF M15 Antalya | 2021/05/30 07:30 | Antonio Caruso v Gian Luca Tanner | 6-3,6-4 |
| ITF M15 Troisdorf | 2021/05/11 08:00 | Luke Johnson v Gian Luca Tanner | 6-7,7-5,11-9 |
| ITF M15 Troisdorf | 2021/05/10 08:00 | Gian Luca Tanner v Paul Woerner | 6-4,6-7,10-8 |
| ITF M15 Troisdorf | 2021/05/09 08:00 | Tim Handel v Gian Luca Tanner | 5-7,2-6 |
| ITF M15 Cairo | 2021/05/03 08:00 | Felix Gill v Gian Luca Tanner | 4-6,6-3,10-7 |
| ITF M15 Cairo | 2021/04/26 08:00 | Gian Luca Tanner v Syed Mohd Agil Syed Naguib | 4-6,6-1,8-10 |
| ITF M15 Antalya | 2021/06/02 11:30 | Maik Steiner v Giacomo Dambrosi | 3-6,3-6 |
| ITF M15 Antalya | 2021/06/01 07:00 | Maik Steiner v Francisco Llanes | 7-5,6-4 |
| ITF M15 Antalya | 2021/05/31 09:30 | Maik Steiner v Federico Marchetti | 6-1,7-6 |
| ITF M15 Antalya | 2021/05/30 07:30 | Maik Steiner v Mirgiiaz Mirdzhaliev | 6-1,6-1 |
| ITF M15 Antalya | 2021/05/25 07:00 | Maik Steiner v Edouard Villoslada | 4-6,3-6 |
| ITF M15 Antalya | 2021/05/19 09:20 | Maik Steiner v Mariano Navone | 0-6,2-6 |
| ITF M15 Antalya | 2021/05/18 10:35 | Edouard Villoslada v Maik Steiner | 3-6,5-7 |
| ITF M15 Antalya | 2021/05/16 07:00 | Maik Steiner v Ignacio Carou | 7-5,1-6,10-2 |