Tosu's commitment to pressure and territory gives Kawasaki space to attack beyond the first challenge. Restarts and loose clearances provide another route into the boxes. Nasaf should also seek the initiative against Al Kuwait, whose forward connections can keep the visitors involved without long spells of possession.
Tosu's previous cup group produced useful attacking chances, while their latest clean sheet still required protection against several shots on target. Kawasaki have shown quick recovery attacks and wide service to a far-side receiver. The six listed Kawasaki doubts concern existing injury histories, with none appearing in their latest squad; they are not six fresh losses. Tosu's Yoshida and Hyon both played in the latest match despite older doubtful markers. With mixed cup teams expected, I see pressure, outlets and restart follow-ups supplying continued chances. That's why I'm backing a match with goals between Sagan Tosu and Kawasaki Frontale.
Nasaf's large shot count against Al Wahda included a long chase and many attempts from outside the box. Their halftime changes did produce an immediate scoring connection, and Shala and Muhitdinov are reported to have been rested through bench roles in the latest league match. Kuwait offer their own links through Daham to Zaid and Amro to Nasser, with a substitute striker already contributing.
Current reporting says Marhoon returns after missing the previous continental match through suspension, and the travelling party has no new absences. Kuwait also arrived early enough to train locally. I expect Nasaf's initiative to create work for the visiting defence while leaving value in Kuwait's first forward pass and later attacking changes. That's why I'm siding with Al Kuwait to come away unbeaten.