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.<\/p>\n
The 6-foot-8 Damm used his length at the net to pull off the upset. While Medvedev won just 2 of 4 points when he was at the net, Damm won 20 of his 28 advances. Damm also never dropped his serve, saving both break points he faced.<\/p>\n
No. 2 seed Luciano Darderi of Italy and No. 3 seed Ignacio Buse of Peru were pushed to three sets before winning their second-round matches while No. 4 seed Arthur Fery of Great Britain needed just two sets.<\/p>\n
Belgium\u2019s Raphael Collignon, the No. 5 seed, and Argentina\u2019s Mariano Navone, the No. 6 seed, did not survive the second round. Australia\u2019s Rinky Hijikata rallied to handle Collignon 3-6, 7-6 (7), 7-6 (5) while Australia\u2019s James Duckworth dropped Navone 6-3, 7-6 (5).<\/p>\n
Frenchmen Luca Van Assche and Quentin Halys, the 11th and 12th seeds, respectively, were upset in the second round, as was No. 14 seed Tomas Machac of the Czech Republic.<\/p>\n
Eighth-seeded Juan Manuel Cerundolo of Argentina and 13th-seeded Botic van de Zandschulp of the Netherlands both earned straight-set wins.<\/p>\n
No. 9 seed Adrian Mannarino of France was among the three seeded players engaged in second-round action on Tuesday night.<\/p>\n
-Field Level Media<\/p>\n