At the age of 31 , he finally competed at a grand slam event in singles , participating in the qualification rounds at the 2014 Australian Open .
Kondo has won 3 Challenger events in doubles .
At the age of 31 , Kondo finally competed at a grand slam event in singles , participating in the qualification rounds at the 2014 Australian Open .
Kondo has won 3 Challenger events in doubles .