South Korea Hyeon Chung serves to Russia‘s Andrey Rublev during their men’s singles semi final match of the first edition of the Next Generation ATP Finals in Milan on November 8, 2017, an annual men‘s youth tennis tournament organized by the Italian Tennis Federation and the Italian Olympic Committee. / AFP PHOTO / MARCO BERTORELLO <저작권자(c) 연합뉴스, 무단 전재-재배포 금지>