They are having a successful partnership under Lee and Koo and Tan are doing well in tournaments .
Koo and Tan went to look for Lee to be their coach since they Koo and Tan left the national set up .
They are having a successful partnership under coach and Koo and Tan are doing well in tournaments .
Koo and Tan went to look for Lee to be their coach since they Koo and Tan left the national set up .