Thomas Cup
Hayakawa won the first point in the 2014 Thomas Cup finals with Hiroyuki Endo beating 2004 World Junior Champions Hoon Thien How and Tan Boon Heong and lead the momentum for the Japanese team to claim the Thomas Cup for the first time, being the fourth nation to win Thomas cup after Indonesia, China and Malaysia. He retired in November 2016 and currently is the coach for Japanese B national team.