| Qatar Open XD | 10/07 18:20 | 1 | Duda B / Mengel S v Desai H / Ghosh S | L | 1-3 | |
| Qatar Open XD | 10/06 17:10 | 1 | Badowski M / Zatowka P v Duda B / Mengel S | W | 1-3 | |
| Qatar Open XD | 04/20 02:30 | 4 | Seo/キム・ムンス v Duda B / Mengel S | L | 3-1 | |
| Qatar Open 2019, MS | 02/17 13:30 | 3 | Duda B / Mengel S v Filus R / Walther R | L | 1-3 | |
| Qatar Open 2019, MS | 02/16 10:00 | 4 | Anthony A / Gnanasekaran S v Duda B / Mengel S | W | 1-3 | |
| Qatar Open 2019, MS | 02/16 06:00 | 5 | Ghosh/Bhanja v Duda B / Mengel S | W | 1-3 | |
| Qatar Open XD | 11/17 18:25 | - | Desai H / Ghosh S v Duda B / Mengel S | L | 3-2 | |
| Qatar Open 2019, MS | 10/21 10:15 | 4 | Duda B / Mengel S v Kallberg A / Gerell P | L | 0-4 | |
| Qatar Open 2019, MS | 10/20 11:00 | 5 | Brossier B / Gauzy S v Duda B / Mengel S | W | 0-4 |