Albert Ramos-Vinolas beat home favourite Dominic Stephan Stricker in the round of 16 by a score of 6-3, 4-6, 6-1.
Alejandro Davidovich-Fokina, ranked 35th in the world, will face Lorenzo Musetti, ranked 62nd, in the 2022 ATP Hamburg Open quarterfinal on Friday.
On Thursday, the Russian Karen Khachanov will take on the Italian Fabio Fognini in the second round of the 2022 ATP Hamburg Open.
In the 2022 ATP Hamburg Open's second round on Thursday, Russian second seed Andrey Rublev faces Argentine Francisco Cerundolo.
Caroline Garcia v Elisabetta Cocciaretto will take on each other on Thursday, July 21 in the second round of the 2022 WTA Palermo open.
Nuria Parrizas Diaz v Julia Grabher will take on each other on Thursday, July 21 in the second round of the 2022 WTA Palermo open.
Elina Avanesyan v Lucia Bronzetti will take on each other on Thursday, July 21 in the second round of the 2022 WTA Palermo open.
Yulia Putintseva v Diane Parry will take on each other on Thursday, July 21 in the second round of the 2022 WTA Palermo open.
Albert Ramos Vinolas v Dominic Stricker will take on each other on Thursday, July 21 in the second round of the 2022 Swiss open Gstaad.
Thursday's quarterfinal of the 2022 WTA Hamburg Open will see top seed Anett Kontaveit of Estonia taking on eighth seed Andrea Petkovic of Germany.