Ko won the
World Nine-ball Junior Championship twice in his junior career, in 2007 and 2008. Ko became a multiple world champion in 2015, winning three world titles in a single calendar year. He defeated
Carlo Biado, 11–9 in the final of the 2015
WPA World Ten-ball Championship, followed by beating
Shane Van Boening, 13–11 in the 2015
WPA World Nine-ball Championship final, Ko also captured its country's first
World Cup of Pool title alongside
Chang Yu-lung, defeating England B of
Mark Gray and
Daryl Peach, 10–8 in the final. Ko was named Billiard Digest's "Player of the Year" in 2015. In 2022, Ko won the Asian Pool Federation's Asian Nine-ball Open in Singapore, defeating
James Aranas of the Philippines, 13–11 in the final. He was also able to defend it the following year, winning 13–6 over 16-year-old Filipino Albert James Manas. In 2023, Ko Pin Yi became the first Taiwanese player to win the
World Pool Masters title in
Brentwood, Essex England with 13–5 win against Albania's
Eklent Kaci. In 2024, team Asia ruled the inaugural
Reyes Cup at the
Ninoy Aquino Stadium in
Manila, Philippines. The team consists of
Johann Chua,
Carlo Biado, Ko Pin Yi,
Duong Quoc Hoang, and
Aloysius Yapp, which is coached by the tournament namesake and greatest of all time
Efren Reyes. They defeated the European team with a decisive 11–6 final score. Team Europe is made up of
Jayson Shaw,
Eklent Kaçi,
Francisco Sánchez Ruiz,
David Alcaide, and
Mickey Krause. Aloysius Yapp of Singapore was named the first-ever Reyes Cup most valuable player award for his outstanding performance throughout the event. ==Personal==