Zverev scrapes through, Djokovic cruises to Shanghai Masters last 16
01.01.1970
Second seed Alexander Zverev scraped through to the last 16 of the Shanghai Masters on Tuesday, winning two tiebreaks against the Netherlands' Tallon Griekspoor in an ill-tempered match that ended 7-6 (8/6), 2-6, 7-6 (7/5).