People Japan Jumpei Yamasaki peoplepill id: jumpei-yamasakiJY 7 views today 13 views this weekJapanese tennis playerJumpei YamasakiBiographyListsAlso ViewedListsJumpei Yamasaki is in following listsBy work and/or countryNotable Japanese Tennis playersGender:Male, Born in:Years 1970 to 1999From our partnersSponsoredJumpei Yamasaki