If you are dead-set on playing Tekken on a PS2 emulator (like PCSX2), play the actual classics:
Many mobile users use the PPSSPP emulator to play the actual PSP version of Tekken 6.
Note: We do not condone downloading pre-dumped ISOs from ROM sites, as that violates copyright.
Any file claiming to be a "Tekken 6 PS2 ISO" is typically one of the following:
