The Japanese star marked a visit to his home country with a first half brace, as BVB continued its winning form on their pre-season tour of Asia.
Kagawa scored the first two goals in the win, with fellow countrymen Mitsuru Maruoka also getting on the scoresheet for the German giants.
Goodbye and thank you Japan – Hello Singapore and Malaysia! #asiatourhttp://t.co/wanAuBsk5Wpic.twitter.com/W2mpVngnTL
— Borussia Dortmund (@BVB) July 7, 2015
Dortmund now head to Singapore for the next leg of their Asia Tour.