Top seed Andy Lapthorne and Scot Gordon Reid both triumphed at the British Open to reach their respective semi-finals.
US Open champion Lapthorne will face third seed Sam Schroeder in the quad singles after a 6-3 2-6 6-2 win over Brazilian seventh seed Ymanitu Silva.
Seventh seed Reid saw off Dutchman Tom Egberink 6-3 6-2 to set up a meeting against world number one and 2017 champion Gustavo Fernandez.
Jordanne Whiley lost 7-5 3-6 6-2 to top women's player Diede de Groot.
Meanwhile, Reid and compatriot Alfie Hewett came from a set down to defeat Joachim Gerard and Stefan Olsson 6-7 (4-7) 7-6 (7-4) 6-4 and reach the men's doubles semi-final.
They will now face Fernandez of Argentina and Japan's Shingo Kunieda.