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Naito won the New Japan Cup in 2016, defeating Kenny Omega in the finals. This victory earned him a shot at the IWGP Heavyweight Championship, which he successfully captured from Kazuchika Okada at Wrestle Kingdom 11. Naito's victory marked the first time a wrestler had won the New Japan Cup and the IWGP Heavyweight Championship in the same year since Hiroshi Tanahashi in 2011.