Oliver Marach Pictures
BEIJING, CHINA - OCTOBER 05: Oliver Marach of Austria and Mate Pavic of Croatia return a shot against Marcus Daniell of New Zealand and Wesley Koolhof of Netherlands during their Men's Double Quarterfinal Match on day 7 of 2018 China Open at the China National Tennis Center on October 5, 2018 in Beijing, China. (Photo by Emmanuel Wong/Getty Images)