French striker Olivier Giroud plundered his sixth goal in three Asian tour games as Arsenal marked manager Arsene Wenger's return to his former club Nagoya Grampus with a 3-1 win on Monday.
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Giroud sent the visitors on their way after just three minutes at a packed Toyota Stadium before Japanese midfielder Ryo Miyaichi got his debut Arsenal goal from the penalty spot.
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England's Theo Walcott added a third after halftime before Kisho Yano gave Nagoya reason to cheer with a consolation strike 18 minutes from the end.
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"Of course it was a special event with almost a full crowd," Wenger said afterwards. "I think especially in the first half we played with great fluency, created many chances and the game was very interesting.
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"In the second half, we were capable of maintaining the pace but we lost a bit of cohesion. Above all it was a very interesting game."
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Arsenal had scored 14 goals in their games against the Indonesian Dream Team and Vietnam and there was no let-up in front of a record 42 919 fans – many of them red-shirted – in Toyota.
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With the action barely underway, Tomas Rosicky supplied the cross as Giroud climbed for a header which he buried past Nagoya goalkeeper Seigo Narazaki.
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Wenger deployed Miyaichi from the start and when Marcus Tulio Tanaka handled in the box, the promising youngster buried the spot-kick on 26 minutes for his first Arsenal goal and a 2-0 lead.
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Walcott was denied by the 'keeper's legs as Arsenal pressed for a third, while Yoshizumi Ogawa nearly reduced the arrears but scuffed his shot harmlessly.
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Arsenal resumed their assault after the break but Nagoya came close when their Australia striker Josh Kennedy volleyed over an empty goal under pressure from two defenders.
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Walcott repeatedly threatened for Arsenal and he stole in for their third goal – after a sumptuous pass from 16-year-old Gedion Zelalem – with a lifted shot over Nagoya 'keeper Narazaki.