Ser Lin Qian has won 4 world WTT Youth titles. She has not won any senior titles. She simultaneously won the U17 and U19 titles in WTT Youth Contender Metz 2022.
Here’s the complete list of Ser Lin Qian’s 4 youth titles:
WTT Youth Titles:
WTT Youth Contender Vila Real 2022 (U19)
WTT Youth Contender Metz 2022 (U19)
WTT Youth Contender Metz 2022 (U17)
WTT Youth Contender Lignano 2021 (U15)