The top seed Cristian Garin had a short campaign in Bastad, losing to Jeremy Chardy 6-4, 6-4 in an hour and 34 minutes. Firing 12 aces, Chardy saved three out of four break points to keep the pressure on the Chilean, taking 43% of the return points to grab three breaks from ten opportunities and move over the top in straight sets.
The Frenchman broke in the fifth game after a double fault from Garin, serving well in the following three service games for a 6-4 after a service winner in game ten. Cristian broke at the beginning of the second set with a forehand down the line winner before losing the advantage at 3-1 when his forehand hit the net.
Chardy broke again in the seventh game with a booming forehand, moving over the top with another forehand winner at 5-4 to move into the quarter-final. The 5th seed Nicolas Jarry ousted Mikael Ymer 7-5, 6-3 in an hour and 41 minutes, losing serve twice and creating 14 chances on the return to control the pace, seizing four of those to race into the last eight.
After a great start, the Chilean lost the advantage in the fifth game, wasting three set points at 5-4 before closing the opener with a break in game 12 for a 7-5. They traded breaks at the beginning of the second set and Nicolas was the better player in the remaining games, dropping three points in the last four service games and breaking Mikael at love in game eight, rattling off 12 of the final 15 points for the fourth quarter-final of the season.
Roberto Carballes Baena is through to the last eight for the first time since Barcelona, defeating Damir Dzumhur 6-1, 7-6 in an hour and 41 minutes. The Spaniard fended off eight out of ten break points to mount the pressure on the Bosnian, stealing almost half of the return points and storming over the opening set with three breaks in a row.
From 5-3 down in set number two, Damir bounced back in game ten to extend the match, reaching a tie break that Roberto claimed 7-4 to seal the deal in straight sets. In an all-Spanish battle, Albert Ramos-Vinolas ousted the 2nd seed Fernando Verdasco 6-2, 6-4 in an hour and 46 minutes, fending off eight out of nine break points and delivering reliable performance on the return to earn 14 chances.
Four breaks were enough to push Albert through, racing into a 6-2, 5-2 advantage and converting the seventh match point in the tenth game to break Verdasco's resistance for the place in the fourth quarter-final in 2019.