Martin Damm slams top-seeded Daniil Medvedev at Winston-Salem
Wild-card entrant Martin Damm needed just 1 hour, 22 minutes to knock out No. 1 seed Daniil Medvedev of Russia 7-5, 6-3 in second-round action on Tuesday at the Winston-Salem Open in North Carolina. The 6-foot-8 Damm used his length at the net to pull off the upset. 
