Shanghai Masters: Tsitsipas gets revenge against Nishikori to reach third round; Medvedev advances
Tsitsipas - who suffered a shock defeat to Nishikori in Montreal in August - battled through two tight sets to win 7-6 (8/6), 6-4.
Tsitsipas - who suffered a shock defeat to Nishikori in Montreal in August - battled through two tight sets to win 7-6 (8/6), 6-4.