Chang Ko-Chi

Chang Ko-chi (Chinese: 張課琦; born 21 November 1995) is a Taiwanese badminton player.

BWF World Tour (1 title)

The BWF World Tour, announced on 19 March 2017 and implemented in 2018, is a series of elite badminton tournaments, sanctioned by Badminton World Federation (BWF). The BWF World Tour are divided into six levels, namely World Tour Finals, Super 1000, Super 750, Super 500, Super 300 (part of the HSBC World Tour), and the BWF Tour Super 100.

Men's doubles

Year	Tournament	Level	Partner	Opponent	Score	Result
2018	Bangka Belitung Indonesia Masters	Super 100	Lu Chia-pin	Ko Sung-hyun Shin Baek-cheol	23–21, 21–13	Winner

BWF Grand Prix (1 runner-up)

The BWF Grand Prix has two levels, the BWF Grand Prix and Grand Prix Gold. It is a series of badminton tournaments sanctioned by the Badminton World Federation (BWF) since 2007.

Mixed doubles

Year	Tournament	Partner	Opponent	Score	Result
2015	Chinese Taipei Masters	Chang Hsin-tien	Ronald Alexander Melati Daeva Oktaviani	18–21, 27–25, 15–21	Runner-up

     BWF Grand Prix Gold tournament

     BWF Grand Prix tournament

BWF International Challenge/Series (2 titles, 2 runners-up)

Men's doubles

Year	Tournament	Partner	Opponent	Score	Result
2019	Portugal International	Lee Fang-jen	Christopher Grimley Matthew Grimley	16–21, 21–16, 21–13	Winner

Mixed doubles

Year	Tournament	Partner	Opponent	Score	Result
2019	Portugal International	Lee Chih-chen	Alex Vlaar Mariya Mitsova	21–12, 21–14	Winner
2017	Orleans International	Chang Hsin-tien	Mark Lamsfuss Isabel Herttrich	9–21, 15–21	Runner-up
2016	Italian International	Chang Hsin-tien	Jordan Corvee Anne Tran	13–21, 21–17, 17–21	Runner-up

     BWF International Challenge tournament

     BWF International Series tournament

     BWF Future Series tournament