Yosuke Watanuki is a Japanese professional tennis player, born on April 12, 1998, in Kasukabe, Japan. He achieved a career-high ATP singles ranking of World No. 72 on October 30, 2023.
On March 10, 2025, Watanuki, ranked World No. 349, secured a remarkable victory over World No. 16 Frances Tiafoe at the Indian Wells tournament. He won in straight sets, 6-4, 7-6(6), becoming the lowest-ranked player since 2005 to reach the fourth round of this event. Notably, during the match, Watanuki requested and consumed a can of Pepsi while down a break, an unusual choice to boost energy.
Watanuki’s playing style is characterized by aggressive baseline play and a powerful serve. He has represented Japan in the Davis Cup and continues to be a prominent figure in Japanese tennis.