Stadium: Court 1 Round: 54 Ground: Clay
| ITF M25 Klosters | 2021/06/20 08:50 | Daniel Cukierman v Hoeijmans, Luc | 6-2,6-4 |
| Coupe Davis | 2021/03/05 13:00 | Illya Marchenko v Daniel Cukierman | 1-6,6-3,6-2 |
| ITF - M15 Héraklion | 2020/11/09 08:00 | Nicholas David Ionel v Daniel Cukierman | 6-2,6-1 |
| ITF - M15 Héraklion | 2020/11/08 10:30 | Daniel Cukierman v Gianmarco Ferrari | 6-3,6-4 |
| ITF - M15 Héraklion | 2020/11/02 09:30 | Daniel Cukierman v Nicholas David Ionel | 5-7,1-6 |
| ITF - M15 Héraklion | 2020/11/01 12:00 | Stanek, Robin v Daniel Cukierman | 4-6,3-6 |
| ITF M15 Setubal | 2020/10/07 13:20 | Genaro Alberto Olivieri v Daniel Cukierman | 7-6,6-1 |
| ITF M15 Setubal | 2020/10/05 15:00 | George Loffhagen v Daniel Cukierman | 6-2,3-6,4-10 |
| ITF M25 Klosters | 2021/06/20 07:00 | Tanner, Gian Luca v Maik Steiner | 6-4,6-2 |
| ITF - M15 Antalya | 2021/06/07 07:00 | Francisco Comesana v Tanner, Gian Luca | 6-1,6-2 |
| ITF - M15 Antalya | 2021/06/06 07:30 | Tanner, Gian Luca v Caspar Schuetze | 1-6,6-4,10-4 |
| ITF - M15 Antalya | 2021/05/30 07:30 | Antonio Caruso v Tanner, Gian Luca | 6-3,6-4 |
| ITF M15 Troisdorf | 2021/05/11 08:00 | Johnson, Luke v Tanner, Gian Luca | 6-7,7-5,11-9 |
| ITF M15 Troisdorf | 2021/05/10 08:00 | Tanner, Gian Luca v Paul Woerner | 6-4,6-7,10-8 |
| ITF M15 Troisdorf | 2021/05/09 08:00 | Tim Handel v Tanner, Gian Luca | 5-7,2-6 |
| ITF M15 Cairo | 2021/05/03 08:00 | Felix Gill v Tanner, Gian Luca | 4-6,6-3,10-7 |