Interleague play
On June 5, Wada made a comeback and pitched Interleague play (NPB) against the Chunichi Dragons. In 2019 season, he finished the regular season with a 12 Games pitched, a 4–4 Win–loss record, a 3.90 ERA, a 45 strikeouts in 57 2/3 innings. On October 23, he pitched against the Yomiuri Giants as a starting pitcher in the 2019 Japan Series, and won the game for the first time in 16 years since the 2003 rookie year.