Iker Casillas was Porto's hero as they defeated Valencia on penalties in the Colonia Cup.
The two sides had been locked at 0-0 after a forgettable 90 minutes in the RheinEnergie Stadion in Cologne and could not be separated in the ensuing shootout either, until Bruno Martins Indi put Porto 5-4 up and Casillas produced a fine save to deny the luckless Joao Cancelo.
"The team did well defensively, we had control of the ball and we're pleased with the performance," Casillas told the club's official TV channel after the match.
"It's good to get a win in pre-season to create a winning mentality.
"I'm very grateful to the fans. I can only try to return the support with good performances and by keeping winning with Porto."
Head coach Julen Lopetegui, meanwhile, hailed the Spain veteran's enthusiasm following his arrival from Real Madrid.
"He is a player that comes with experience. He has arrived at the club with the enthusiasm of a 20-year-old lad," he said.
"He has come to a big club and we are all going to benefit from his enthusiasm."
Porto were good value for their win having created the better of the chances during normal time, with Cameroonian striker Vincent Aboubakar striking the crossbar after just two minutes and firing wastefully wide later in the first half following excellent approach work by Maxi Pereira.
Lopetegui's men looked similarly lively after the break and should have taken the lead with 71 minutes gone when Martins Indi somehow managed to head over from close range.
Valencia duly rode their luck and held on to force the shoot-out, only to be undone by the man who had denied them so often in La Liga for Real Madrid over the years before his move to Porto last month.
Neither side will have long to reflect upon the game, however, as each return to action on Sunday, with Valencia facing hosts Koln and Porto taking on Stoke City.
