Yonex tennis rackets are used by Stan Wawrinka, Angelique Kerber, Victoria Azarenka and Nick Kyrgios. They have been used by numerous grand slam champions such as Martina Navratilova, Monica Seles and Richard Krajicek. Top end Yonex tennis rackets are designed and made in Japan. The Vcore Duel G is used by Stan Wawrinka and is ideal for hard hitting players. The Vcore SV range is deal for players wanting greater spin on their shots. The Ezone range features Nanometric DR Carbon Graphite for increased strength and stability.