September 11 vs Yomiuri at Tokyo Dome – Ogawa extended his winning streak against the Giants to seven. He has not lost a game to them since he recorded a win on April 30, 2016. He joined Masaichi Kaneda (ten-game winning streak from June 19, 1957 to June 13, 1958), Terry Bross (seven-game winning streak from April 9, 1995 to May 5, 1996), and Kenjiro Kawasaki (seven-game winning streak from May 15, 1998 to April 29, 1999) as the only pitchers in Swallows history to record winning streaks of seven or more against the Giants.
Source: Sanspo 9/12/2018
Ogawa is rumored be in a relationship with Fuji TV reporter Mana Mikami. The two are said to have met in March 2016.
Source: Sports Hochi 8/14/2017