*Club domestic league appearances and goals, correct as of 19:00, 26 May 2024 (UTC) ‡ National team caps and goals, correct as of 23:00, 13 June 2023 (UTC)
At the start of the 2023 season, Hayakawa officially signed a first-team contract with the club;[4][5] on 5 April, at the age of 17 years and four months, he made his professional debut, coming on as a substitute for Kai Matsuzaki in the 76th minute of a goalless J.League Cup draw against Kawasaki Frontale.[6][7] On 19 April, he started and scored his first professional goal in a 1–1 league cup draw against Shonan Bellmare:[8][9] at 17 years and 134 days, he became Urawa's youngest goalscorer in any J.League-hosted competition.[9] Finally, on 23 April, he made his league debut as a substitute for Takahiro Sekine in the 80th minute of a 1–1 draw against Kawasaki Frontale.[10][11]
On 30 April 2023, Hayakawa made his AFC Champions League debut, coming on as a substitute for Tomoaki Okubo in the 81st minute of the first leg of the 2022 ACL final against Al Hilal, which ended in a 1–1 draw.[12][13] He was an unused substitute in the second leg, which saw Urawa gain a 1–0 victory and lift the third continental title in their history.[14][15]
Loan to Fagiano Okayama
On 7 May 2024, Hayakawa moved on loan to J2 League club Fagiano Okayama for the remainder of the 2024 season.[16][17] He made his debut for the club on 12 May, coming on as a second-half substitute in a goalless league draw with V-Varen Nagasaki.[18] He then scored his first goal on 26 May, in a 4–1 away league victory over Vegalta Sendai.[19]
In May 2023, he was included in the Japanese squad that took part in the Maurice Revello Tournament in France,[27][28] where the Samurai Blue finished tenth, after losing to the U-21 Mediterranean Team in the final play-off.[29]
Career statistics
Club
As of 26 May 2024
Appearances and goals by club, season and competition