Stan Wawrinka

Switzerland

Nick Kyrgios

Australia

Belinda Bencic

Switzerland

Hubert Hurkacz

Poland

Yoshihito Nishioka

Japan

Anastasija Sevastova

Latvia

Casper Ruud

Norway

Diede de Groot

Netherlands

Viktor Axelsen

Denmark

Carolina Marin

Spain

Radu Albot

Republic of Moldova

Ricardas Berankis

Lithuania

Wang Chi Lin

Chinese Taipei

Seo Seung Jae

Korea

Heath Davidson

Australia