Top seeds Bennet and David Poniewaz and 14th seeds Dan John and Eric Stadie both came through their semi-final clashes today at the Munich Olympic Park.

The Poniewaz pairing proved too strong for Switzerland's third seeds Florian Breer and Yves Haussener as they collected a 21-17, 21-13 success.

John and Stadie upset fourth seeded Austrians Felix Friedl and Maximilian Trummer in three sets, 21-15, 17-21, 15-10.

In the women's event, Spanish third seeds Maria Belen Carro Marquez de Acuna and Paula Soria Gutierrez beat American second seeds Emily Sonny and Torrey Van Winden 29-27, 21-13 to reach the final.

Canada's twins Nicole and Megan McNamara, seeded eighth, are also in the final after coming from behind to win an epic contest against ninth seeds Zoe Verge-Depre and Esmee Bobner of Switzerland.

The siblings came through 26-28, 21-16, 15-8.

Both finals will be held tomorrow.