Takahiro Koga

Albirex Niigata (S)

On 18 January 2021, Koga joined Albirex Niigata (S) from V-Varen Nagasaki. In his first season, he won the Golden Glove award after keeping 8 clean sheets in 20 league games, at least three more than any other goalkeeper, and was also included in the 2021 Singapore Premier League 'Team of the Year'. In his second season with the club, he helped them win the 2022 Singapore Premier League title. On 17 December 2022, Koga announced he would return to Japan. He kept 14 clean sheets in 55 games in all competition for Albirex.

SC Sagamihara

After 2 successful seasons at Albirex Niigata (S), Koga join J3 League team SC Sagamihara. On 3 June 2023, he made his debut for the club against Matsumoto Yamaga in a league match which resulted in a 5–3 loss. Koga went on to make another 4 consecutive appearances for the club. On 7 June, he played in the Emperor's Cup second round tie against J1 League club Hokkaido Consadole Sapporo, putting a string of saves.

FC Osaka

On 20 January 2025, Koga moved to another J3 League club FC Osaka on a year contract.

Return to Albirex Niigata (S)

On 25 July 2025, Koga returned to Albirex Niigata (S) ahead of the 2025–26 season. He kept a crucial clean sheet, in a 2-0 win over Geylang International FC, in his first SPL appearance since rejoining the team. However, it was announced that Koga will depart the club following the expiration of his contract.

Notes

Club

Albirex Niigata (S)

Singapore Premier League: 2022

Individual

Singapore Premier League Golden Glove: 2021 Singapore Premier League Team of the Year: 2021