Golubev/Nedovyesov upset Behar/Escobar in Hamburg
Carreno Busta Claims Victory In Hamburg
Albano Olivetti and Andre Begemann also sprung a surprise on a day of upsets, as they fought back to topple top seeds Andres Molteni and Andrea Vavassori 3-6, 6-4, 10-3 and reach the semi-finals. The German-French duo hit five aces to record victory in 84 minutes.
Elsewhere, at the Hamburg European Open, Andrey Golubev and Aleksandr Nedovyesov defeated Ariel Behar and Gonzalo Escobar 6-4, 6-4 to reach the semi-final. Golubev enjoyed a run to the final at Roland Garros last month with Alexander Bublik
They will next play Michael Venus and Tim Puetz after the second seeds received a walkover against Filip Krajinovic and Dusan Lajovic. James Cerretani and Hans Hach Verdugo also advanced with a 6-4, 6-3 victory over Croatians Ivan Sabanov and Matej Sabanov.