The team joined the Taiwan Football Premier League, under the name Tainan City in 2017, which most of the players came from Tianmu Campus, University of Taipei.

[1] Tainan City went on to win the 2020 season league title, receiving the club's first major piece of silverware and direct qualification to the 2021 AFC Cup.

Tainan City won the league title in the next three seasons, becoming the first Taiwanese club to win four consecutive times.

In the inaugural 2024–25 AFC Challenge League they came second in their group, including a win against Laotian team Young Elephants.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.