Hugo Grenier and Yosuke Watanuki will square off in the quarter of the Kobe Challenger…

Yosuke Watanuki and Frederico Ferreira Silva will fight against each other in the 2nd round…

Yosuke Watanuki and Kaylan Bigun will play each other in the 1st round of the…

Yosuke Watanuki and Kokoro Isomura will fight against each other in the 1st round of…

Billy Harris and Yosuke Watanuki will fight against each other in the 1st round of…

Dalibor Svrcina and Yosuke Watanuki will face off in the qualifications of the Shanghai Rolex…

Nuno Borges overcomes Yosuke Watanuki 2-6 6-4 6-1 in the 1st round in Tokyo on…

Nuno Borges and Yosuke Watanuki will clash against each other in the 1st round of…

Yosuke Watanuki and Rio Noguchi will clash against each other in the 1st round of…

Cristian Garin and Yosuke Watanuki will face off in the qualifications of the U.S. Open…