Novak Djokovic reached the semi-finals of the Australian Open for a seventh time on Wednesday after eighth seed Kei Nishikori retired hurt when trailing 6-1 4-1 in their quarter-final.
Kei Nishikori's fighting spirit could face the ultimate test at the Australian Open on Wednesday when he takes on world number one Novak Djokovic in the quarter-finals.
A look at the records of Serbian Novak Djokovic and Japanese Kei Nishikori before their third-round match at the Australian Open on Saturday (prefix number denotes seeding):
Novak Djokovic is confident he will be ready to face Kei Nishikori in the Australian Open quarter-finals after a gruelling last-16 battle against Daniil Medvedev.
Novak Djokovic struck back for the old guard at the Australian Open on Monday, soaking up the pressure from an impressive Daniil Medvedev before crushing the young Russian 6-4 6-7(5) 6-2 6-3 to reach his 10th quarter-final at Melbourne Park.
World number one Novak Djokovic reaches the Australian Open quarter-finals for the first time since 2016 with a hard-fought win over Russia's Daniil Medvedev.
World number one Novak Djokovic reaches the Australian Open quarter-finals for the first time since 2016 with a hard-fought win over Russia's Daniil Medvedev.
