MASON, Ohio (AP) -- Italy's Fabio Fognini upset 14th-seeded Viktor Troicki of Serbia 6-4, 6-1 Monday in the first round of the Western & Southern Open, a U.S. Open tuneup.
The 38th-ranked Fognini beat the 16th-ranked Troicki for first time in three matches.
France's Richard Gasquet became the first seeded man to advance without a bye. The 14th-seeded Gasquet needed a second-set tiebreaker to overcome Ukrainian Alexandr Dolgopolov 6-1, 7-6 (4).
"I did a pretty good tiebreak,'' Gasquet said. "There was a lot of tension, but I knew it was important because, in the third set, you never know what can happen, so I'm happy.''
Alex Bogomolov Jr. cruised past Robby Ginepri 6-4, 6-3 in a matchup of Americans.
Spain's Fernando Verdasco defeated Brazil's Thomaz Bellucci 6-3, 7-6 (4), Bulgaria's Grigor Dimitrov beat Turkey's Marsel Ilhan 6-3, 7-5, Feliciano Lopez fought off fellow Spaniard Juan Carlos Ferrero 4-6, 6-3, 6-4, and Argentina's David Nalbandian beat Japan's Kai Nishikori 6-4, 6-4.
In two early upsets on the women's side, Australian qualifier Anastasia Rodionova, ranked 139th, beat No. 42 Polona Hercog 6-0, 6-0, while No. 101 Chanelle Scheepers, a qualifier from South Africa, eliminated 39th-ranked Canadian Rebecca Marino 7-5, 6-2.
Svetlana Kuznetsova became the first seeded woman to advance without a bye. The 14th-seeded Russian beat American qualifier Jill Craybas 6-3, 6-4. Ninth-seeded Andrea Petkovic lost the first set and survived a second-set tiebreaker to pull out a 5-7, 7-6 (5) 6-2 win over Slovakian Jamila Gajdosova.
Ukraine's Alona Bondarenko defeated Japan's Ayumi Morita 6-2, 4-6, 6-2; Israel's Shahar Peer beat Germany's Sabine Lisicki 6-4, 7-6 (4); Czech qualifier Petra Cetkovska defeated Spain's Anabel Medina Garrigues 2-6, 6-2, 6-2, and Italy's Sara Errani beat U.S. qualifier Sloane Stephens 6-1, 7-5.
Russia's Ekaterina Makarova eliminated Spain's Maria Jose Martinez Sanchez 7-5, 6-3, China's Jie Zheng needed three sets to get past Germany's Julia Goerges 6-2, 1-6, 6-4, qualifier Petra Martic of Croatia pulled away from Russian Elena Vesnina for a 3-6, 7-6 (5), 6-0 win, and Lucie Safarova beat Klara Zakopalova 6-2, 6-2 in an all-Czech match.
Sweden's Sofia Arvidsson, who lost in qualifying but received a berth when Japan's Kimiko Date-Krumm withdrew with a left hand injury, squeezed into the second round with a 0-6, 7-6 (4), 6-3 win over qualifying Romanian Monica Niculescu.