The pair has won nine tour-level titles this season and showed their experience to move past Fabian Marozsan and Peter Nagy 7-6(6), 6-2 in one hour and 30 minutes to seal a 2-1 win for Croatia against Hungary.
“We wanted to win and give a statement and now we will go into tomorrow’s match with confidence,” Mektic said. “We won a tight first set again, but we are happy to win.”
Salisbury/Skupski Seal QF Spot For Great Britain
In the first rubber on Sunday, Croatian Nino Serdarusic moved past Marozsan 6-4, 6-4 after 72 minutes. The World No. 242 was strong on serve, winning 95 per cent (36/38) of points behind his first delivery and struck seven aces.
Croatia wins the group, having also beaten Australia in Turin, and plays Italy in the quarter-finals on Monday.