After attending Maebashi Ikuei High School, Taiki Watanabe joined back with Albirex Niigata for the 2018 season, debuting in a J.
[1] Watanabe spent two years at Niigata before moving on loan to Zweigen Kanazawa mid-way through the 2020 season.
Watanabe scored his first professional goal in a 2-3 league defeat to Mito HollyHock in May 2021.
He made his J1 League debut in March 2023, in a 2–2 draw with Hokkaido Consadole Sapporo and went on to make 27 appearances across all competitions in the 2023 season.
[4] This biographical article related to a Japanese association football defender born in the 1990s is a stub.