Braunschweig CH 2021 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Daniel Altmaier | d. | Henri Laaksonen | 6-1 6-2 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Daniel Altmaier | d. | Marvin Moeller | 7-5 6-0 |
| Henri Laaksonen | d. | Vit Kopriva | 6-4 6-0 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Marvin Moeller | d. | Benjamin Hassan | 6-4 6-2 |
| Daniel Altmaier | d. | Elias Ymer | 6-3 6-3 |
| Henri Laaksonen | d. | Jozef Kovalik | 6-3 6-2 |
| Vit Kopriva | d. | Zizou Bergs | 3-6 6-0 7-5 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Benjamin Hassan | d. | Sandro Ehrat | 4-6 6-3 6-4 |
| Marvin Moeller | d. | Sumit Nagal | 6-3 1-6 6-2 |
| Elias Ymer | d. | Yannick Hanfmann | 2-6 6-3 6-2 |
| Daniel Altmaier | d. | Mario Vilella Martinez | 6-3 6-2 |
| Henri Laaksonen | d. | Nicola Kuhn | 6-4 7-5 |
| Jozef Kovalik | d. | Malek Jaziri | 6-1 7-5 |
| Zizou Bergs | d. | Tomas Machac | 7-6(5) 5-7 6-4 |
| Vit Kopriva | d. | Benoit Paire | 6-1 2-6 6-2 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Benjamin Hassan | d. | Dayne Kelly | 6-4 7-6(7) |
| Sandro Ehrat | d. | Mats Moraing | 6-7(5) 6-4 6-4 |
| Marvin Moeller | d. | Teymuraz Gabashvili | 7-5 6-3 |
| Sumit Nagal | d. | Mohamed Safwat | 6-3 7-6(3) |
| Yannick Hanfmann | d. | Steven Diez | 7-5 2-6 6-3 |
| Elias Ymer | d. | Tobias Kamke | 6-3 7-5 |
| Mario Vilella Martinez | d. | Rudolf Molleker | 3-6 6-4 6-3 |
| Daniel Altmaier | d. | Zdenek Kolar | 6-2 7-5 |
| Henri Laaksonen | d. | Mats Rosenkranz | 6-3 6-2 |
| Nicola Kuhn | d. | Mischa Zverev | 6-2 7-6(4) |
| Malek Jaziri | d. | Aleksandar Vukic | 6-3 6-4 |
| Jozef Kovalik | d. | Filip Horansky | 7-6(5) 6-3 |
| Tomas Machac | d. | Kimmer Coppejans | 6-2 6-3 |
| Zizou Bergs | d. | Maximilian Marterer | 6-2 6-1 |
| Vit Kopriva | d. | Daniel Michalski | 6-2 6-2 |
| Benoit Paire | d. | Guido Andreozzi | 6-4 2-6 7-5 |
Qualifying round 2
| Winner | Loser | Score | |
|---|---|---|---|
| Sandro Ehrat | d. | Nino Ehrenschneider | 6-4 6-7(1) 6-1 |
| Dayne Kelly | d. | Diego Hidalgo | 6-3 6-7(3) 6-3 |
| Daniel Michalski | d. | Tim Sandkaulen | 6-3 7-5 |
| Mats Rosenkranz | d. | Benjamin Hassan | 6-2 6-2 |
Qualifying round 1
| Winner | Loser | Score | |
|---|---|---|---|
| Sandro Ehrat | d. | Aziz Dougaz | 1-6 6-3 6-1 |
| Nino Ehrenschneider | d. | Johannes Haerteis | 3-6 6-3 6-4 |
| Dayne Kelly | d. | Matteo Donati | 6-1 3-0 RET |
| Diego Hidalgo | d. | Igor Sijsling | 6-3 3-6 6-4 |
| Daniel Michalski | d. | Adrian Andreev | 7-6(5) 7-6(6) |
| Tim Sandkaulen | d. | Kacper Zuk | 2-6 6-3 7-6(6) |
| Mats Rosenkranz | d. | Facundo Diaz Acosta | 3-6 7-6(2) 7-6(6) |
| Benjamin Hassan | d. | Prajnesh Gunneswaran | 7-5 6-4 |