Tokyo Olympics: Novak Djokovic thrashes Kei Nishikori to reach men's semi-finals

Tokyo Olympics: Novak Djokovic thrashes Kei Nishikori to reach men's semi-finals https://ift.tt/eA8V8J Novak Djokovic remains on course for a 'Golden Slam' after thrashing home hope Kei Nishikori to ease into the Olympic semi-finals.