New signings Bobby Zamora and John Pantsil could not prevent Fulham from losing 1-0 to Busan L'Park in the club's first game of their pre-season tour to South Korea.
Busan, currently at the foot of the Korean K-League, took the lead 12 minutes into the second half courtesy of Choi Ki Suk's deflected shot.
Zamora, who signed from West Ham for £4.8million last week, lined up alongside David Healy in attack for the Cottagers.
The pair both had chances early on, most notably Zamora, who headed over from six yards 10 minutes into the game at the Asiad Main Stadium.
Fulham boss Roy Hodgson brought five players on for the second half including Jimmy Bullard, who has been linked with a return to Wigan.
Hodgson also replaced David Stockdale with trialist keeper Pascal Zuberbuhler at the break but the Swiss keeper could not prevent Choi's deflected shot from giving the home side the win.
Fulham face Ulsan Hyundai in the final match of their tour on Saturday.