Stadium: Herbie Court Round: 25 Ground: Clay
| ITF M25 Belgrade | 2021/07/04 07:55 | Nick Hardt v Daniel Cukierman | 3-6,6-3,6-3 |
| ITF M25 Belgrade | 2021/07/02 07:00 | Daniel Cukierman v Miljan Zekic | 6-4,6-4 |
| ITF M25 Belgrade | 2021/07/01 07:00 | Jaimee Floyd Angele v Daniel Cukierman | 6-3,4-6,4-6 |
| ITF M25 Belgrade | 2021/06/30 07:00 | Strahinja Rakic v Daniel Cukierman | 3-6,2-6 |
| ITF M25 Belgrade | 2021/06/29 07:00 | Daniel Cukierman v Mirko Martinez | 6-1,6-4 |
| ITF M25 Belgrade | 2021/06/28 07:00 | Daniel Cukierman v Vladislav Melnic | 6-3,6-1 |
| ITF M25 Belgrade | 2021/06/27 11:00 | Daniel Cukierman v Aleksa Bucan | 6-2,6-1 |
| ITF M25 Klosters | 2021/06/22 09:10 | Daniel Cukierman v Matheus Pucinelli De Almeida | 1-6,6-7 |
| ITF M25 Marburg | 2021/07/06 15:00 | Milan Welte v Raphael Collignon | 7-6,6-3 |
| ITF M25 Marburg | 2021/07/05 13:05 | Milan Welte v Christopher Patzanovsky | 6-1,6-3 |
| ITF M15 Heraklion | 2021/05/17 07:00 | Milan Welte v Tom Gentzsch | 6-0,6-3 |
| ITF M15 Troisdorf | 2021/05/09 13:00 | Yannik Steinegger v Milan Welte | 6-4,6-2 |
| ITF M25 Meerbusch | 2021/04/16 09:00 | Milan Welte v Alexander Erler | 1-6,4-6 |
| ITF M25 Meerbusch | 2021/04/15 10:00 | Markus Eriksson v Milan Welte | 3-6,1-6 |
| ITF M25 Meerbusch | 2021/04/14 12:15 | Milan Welte v Pietro Rondoni | 6-3,4-6,6-4 |
| ITF M25 Meerbusch | 2021/04/13 13:30 | Mats Rosenkranz v Milan Welte | 2-6,2-6 |