Taguchi received a rematch for the title on February 11 at The New Beginning in Osaka, but was again defeated by Omega. In May, Taguchi entered the 2015 Best of the Super Juniors. After five wins and one loss, he entered the final day with a chance to reach the finals of the tournament, but a loss to Chase Owens meant that he was eliminated instead. A year later, Taguchi won his block in the 2016 Best of the Super Juniors with a record of five wins and two losses, advancing to the finals of the tournament. On June 7, Taguchi was defeated in the finals of the tournament by Will Ospreay. On July 20, Taguchi entered the 2016 Super J-Cup, defeating Pro Wrestling Noah representative Daisuke Harada in his first round match. On August 21, he was eliminated from the tournament in the second round by another Noah representative, Yoshinobu Kanemaru.