Tamito Watanabe vs Kuo Guan Hong | U15 BS-QF | ITTF World Youth Championships 2023

Kawakami/Watanabe vs Kuo/Hsu | U15 BD Final | ITTF World Youth Championships 2023

Sareen/Bae vs Kuo/Hsu | U15 BD-SF | ITTF World Youth Championships 2023

Kuo/Wu vs Sun/Yan | U15 XD-SF | ITTF World Youth Championships 2023

Kuo/Hsu vs Faso/Pilard | U15 BD-QF | ITTF World Youth Championships 2023

Bhowmick/Sakowicz vs Kuo/Wu | U15 XD-QF | ITTF World Youth Championships 2023

Kuo Guan-Hong vs Sun Yang | U15 Boys' Teams Final | ITTF World Youth Championships 2023

Kuo Guan-Hong vs Wang Jixuan | U15 Boys' Teams Final | ITTF World Youth Championships 2023

HUNG Jing-Kai (TPE) VS KUO Guan-Hong (TPE) | U17 BS F | WTT Youth Contender Vientiane 2023

KUO/CHEN (TPE) VS CHEN/CHEN (TPE) | U19 XD F | WTT Youth Contender Vientiane 2023

KUO Guan-Hong (TPE) VS YANG Hao-Jen (TPE) | U19 BS F | WTT Youth Contender Vientiane 2023

Li/Tang vs Kuo/Tsai | U15 BD Final | WTT Youth Star Contender Skopje 2023