 Germany: M25 Wetzlar - Doubles - Main |
|---|
| 1/8-finals | Lemstra K./Romios M. C. | Hassan B./Schmitz C. | 2:1 (3:6, 6:2, 10:3) | dettagli | 04.08.2021 |
 Turkey: M15 Antalya 14 - Doubles - Main |
|---|
| Final | Hassan B./Schmitz C. | Mochizuki S./Noguchi R. | 0:2 (62:7, 2:6) | dettagli | 10.04.2021 |
| Semi-finals | Hassan B./Schmitz C. | Galoppini D./Prihodko O. | 2:0 (7:62, 6:3) | dettagli | 09.04.2021 |
| Quarter-finals | Fayziev S./Kalovelonis M. | Hassan B./Schmitz C. | 0:2 (4:6, 4:6) | dettagli | 08.04.2021 |
| 1/8-finals | Hassan B./Schmitz C. | Dell'Elba V./Vilicich B. | 2:0 (6:2, 6:1) | dettagli | 06.04.2021 |
| Turkey: M15 Antalya 13 - Doubles - Main |
|---|
| Final | Hassan B./Schmitz C. | Llamas Ruiz P./Vives Marcos P. | 2:0 (6:2, 6:1) | dettagli | 03.04.2021 |
| Semi-finals | Hassan B./Schmitz C. | Madaras N./Vanta V. | 2:1 (4:6, 6:4, 10:6) | dettagli | 03.04.2021 |
| Quarter-finals | Fayziev S./Kalovelonis M. | Hassan B./Schmitz C. | 0:2 (1:6, 1:6) | dettagli | 01.04.2021 |
| 1/8-finals | Ayar G./Karabulut F. | Hassan B./Schmitz C. | 0:2 (1:6, 2:6) | dettagli | 31.03.2021 |
| Germany: Marburg - Doubles - Main |
|---|
| 1/8-finals | Neis F./Vega Hernandez D. | Hassan B./Schmitz C. | 2:1 (4:6, 6:4, 11:9) | dettagli | 04.07.2018 |
