Alemania - 3 Mayo 2021 - 4 Mayo 2021
Los vencedores de esta ronda son cualificados
| 3 May - 08h35 |  Carlos Mühlbach | derrota | Henning Zeptner | 3-0 (11-7, 11-8, 11-3) |
| 3 May - 09h10 | Florian Bluhm | derrota | Marius Henninger | 3-1 (8-11, 11-9, 11-1, 11-4) |
| 3 May - 09h50 | Christian Tomsic | derrota | Andrew Schonhaar | 3-2 (8-11, 11-5, 11-6, 10-12, 17-15) |
| 3 May - 10h30 |  Enio Mendes | derrota |  Irvin Bertrand | 3-0 (11-6, 11-7, 16-14) |
| 3 May - 11h10 | Florian Bluhm | derrota | Henning Zeptner | 3-0 (11-8, 11-5, 11-8) |
| 3 May - 11h50 | Marius Henninger | derrota | Andrew Schonhaar | 3-0 (12-10, 11-8, 11-9) |
| 3 May - 12h30 | Enio Mendes | derrota | Christian Tomsic | 3-0 (11-5, 11-5, 11-6) |
| 3 May - 13h10 | Irvin Bertrand | derrota | Carlos Mühlbach | 3-2 (11-8, 8-11, 7-11, 11-7, 11-7) |
| 3 May - 13h50 | Henning Zeptner | derrota | Andrew Schonhaar | 3-1 (11-7, 5-11, 14-12, 12-10) |
| 3 May - 14h30 | Carlos Mühlbach | derrota | Florian Bluhm | 3-0 (11-8, 11-6, 11-6) |
| 3 May - 16h00 | Irvin Bertrand | derrota | Christian Tomsic | 3-0 (11-5, 11-6, 11-1) |
| 3 May - 16h40 | Enio Mendes | derrota | Marius Henninger | 3-0 (11-5, 11-5, 11-8) |
| 3 May - 17h20 | Florian Bluhm | derrota | Andrew Schonhaar | 3-0 (11-0, 11-1, 11-5) |
| 3 May - 18h00 | Carlos Mühlbach | derrota | Christian Tomsic | 3-0 (11-7, 11-8, 11-5) |
| 3 May - 18h40 | Irvin Bertrand | derrota | Marius Henninger | 3-1 (11-6, 11-8, 9-11, 11-5) |
| 3 May - 19h20 | Enio Mendes | derrota | Henning Zeptner | 3-0 (11-7, 12-10, 11-1) |
| 3 May - 20h00 | Carlos Mühlbach | derrota | Andrew Schonhaar | 3-0 (11-4, 11-8, 11-7) |
| 3 May - 20h40 | Irvin Bertrand | derrota | Henning Zeptner | 3-0 (11-8, 11-5, 11-9) |
| 3 May - 21h20 | Marius Henninger | derrota | Christian Tomsic | 3-0 (11-2, 11-4, 11-3) |
| 3 May - 22h00 | Florian Bluhm | derrota | Enio Mendes | 3-2 (4-11, 5-11, 11-7, 12-10, 20-18) |
| 4 May - 09h40 | Henning Zeptner | derrota | Christian Tomsic | 3-0 (11-7, 11-2, 11-6) |
| 4 May - 11h00 | Florian Bluhm | derrota | Irvin Bertrand | 3-2 (7-11, 11-13, 11-8, 11-8, 11-6) |
| 4 May - 11h40 | Carlos Mühlbach | derrota | Marius Henninger | 3-1 (11-1, 11-4, 11-13, 11-7) |
| 4 May - 12h20 | Enio Mendes | derrota | Andrew Schonhaar | 3-0 (11-6, 11-7, 11-3) |
| 4 May - 13h00 | Henning Zeptner | derrota | Marius Henninger | 3-2 (6-11, 5-11, 11-2, 11-9, 11-9) |
| 4 May - 13h40 | Florian Bluhm | derrota | Christian Tomsic | 3-0 (11-5, 11-3, 11-8) |
| 4 May - 14h35 | Irvin Bertrand | derrota | Andrew Schonhaar | 3-1 (7-11, 11-3, 11-3, 11-8) |
| 4 May - 16h40 | Enio Mendes | derrota | Carlos Mühlbach | 3-2 (8-11, 11-7, 8-11, 11-9, 13-11) |
Clasificación
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