Japan coach Eddie Jones has made six changes to his starting side for the Test against Australia, including bringing Michael Leitch and Ben Gunter into the back row for the clash with his former team.
Totemic former skipper Leitch will line up at number eight to win his 90th cap on Saturday in Tokyo, while Gunter starts at blindside flanker, with Kanji Shimokawa on the open side.
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Gunter is one of four Australian-raised players in the match-day squad, along with centre Dylan Riley, lock Jack Cornelsen and replacement outside back Sam Greene.
In other changes from the Brave Blossoms team that lost to Fiji in the Pacific Nations Cup final last month, Yoshitaka Yazaki starts at fullback and Kippei Ishida returns on the right wing.
Tomoki Osada swaps over to the left wing and Shogo Nakano partners Riley in the centres, with Charlie Lawrence dropping to the bench.
Captain Warner Dearns will pack down in the second row with Cornelsen, while Lee Seung-sin retains the flyhalf spot to win his 25th cap as playmaker.
Dearns will join the Hurricanes for the 2026 Super Rugby Pacific season, with the Kiwi-born lock becoming the youngest captain in the team's history in August.
Joe Schmidt earlier on Thursday announced 13 changes to Australia's starting side and a new captain for the match-up against Jones, his predecessor as Wallabies coach.
Jones left his post as the Wallabies coach after the 2023 Rugby World Cup, with the side eliminated in the group stages.
Japan have never beaten Australia in six previous attempts.
Japan (15-1): Yoshitaka Yazaki, Kippei Ishida, Dylan Riley, Shogo Nakano, Tomoki Osada, Lee Seung-sin, Shinobu Fujiwara, Michael Leitch, Kanji Shimokawa, Ben Gunter, Warner Dearns, Jack Cornelsen, Shuhei Takeuchi, Hayate Era, Kenta Kobayashi
Replacements: Kenji Sato, Ryosuke Iwaihara, Keijiro Tamefusa, Tyler Paul, Tiennan Costley, Kenta Fukuda, Charlie Lawrence, Sam Greene
