Dolgopolov out in first round at Cincinnati
Thirteenth-seeded Alexandr Dolgopolov became the first upset at the Western & Southern Open, losing to 50th-ranked Nikolay Davydenko 6-1, 6-1 in the first round on Monday.
Davydenko, ranked as high as No 3 on the tour in 2006 and 2007, needed just 52 minutes to beat Dolgopolov, who was won the Citi Open in Washington on August 5.
Dolgopolov, a Ukrainian ranked 16th in the world, committed 26 unforced errors to just three by his Russian opponent.
Twelfth-seeded Marin Cilic of Croatia survived a challenge from qualifier Sergiy Stakhovsky before advancing with a 6-3, 4-6, 6-4 win.
In other men's matches on the tournament's first full day, Andreas Seppi of Italy beat the Netherlands' Robin Hasse 6-4, 6-4; qualifier Jesse Levine beat Donald Young 6-4, 7-6 (2) in a matchup of Americans; Taipei's Yen-Hsun Lu eliminated Poland's Lukasz Kubot 6-3, 6-0; and American wild-card Brian Baker outlasted Philipp Kohlschreiber of Germany 7-6 (7), 7-6 (4).
Serbian Victor Troicki beat Croatian qualifier Ivan Dodig 6-4, 7-5, Spain's Pablo Andujar cruised past Australian qualifier Marinko Matosevic 6-4, 6-3, German Florian Mayer defeated qualifier Fabio Fognini of Italy 7-5, 6-2, and Uzbekistan's Denis Istomin eliminated France's Julien Benneteau 6-3, 6-1