Yosuke Watanuki is a Japanese professional tennis player. He has a career-high ATP ranking of World No. 72 achieved on 30 October 2023 and a doubles ranking of No. 374 achieved on 7 January 2019. He is currently the No. 3 Japanese player.

Kwon Soon-woo is a South Korean professional tennis player. He has been ranked as high as world No. 52 ranking by the ATP, achieved in November 2021 and a doubles ranking of world No. 227, attained in October 2022. Kwon has won two ATP, three ATP Challenger Tour and five ITF World Tennis Tour singles titles.