Australian Open Day 4 must-see matchups : Hyeon Chung

Must-see matches on the fourth day of the 2018 Australian Open. Hyeon Chung (KOR) v Daniil Medvedev (RUS)

South Korean tennis hopeful Chung Hyeon Source: Getty Image

Two rising stars of the men's circuit go head to head in a tantalising glimpse of the future. World No.53 Medvedev is hot off claiming his first ATP singles title, having defeated Australian young gun Alex de Minaur in the Sydney International final.