Los Angeles - Sam Querrey got off to a successful start at the ATP Winston-Salem tournament by reaching the third round with a 6-3, 6-7 (5/7), 7-5 win over Guillermo Garcia-Lopez.
"It's been a solid year so far," said American Querrey, who fired 24 aces in Tuesday's match on centre court.
"I don't feel a ton of pressure. I'm just trying to feel good, just trying to play some good matches. The fans are great here. They're really supportive. They get behind the Americans, so that was nice."
Querrey won 86 percent of his first-serve points and saved nine of 10 break points. He next plays Viktor Troicki of Serbia, who defeated Kyle Edmund of Great Britain 6-3, 7-5.
Second-seeded Roberto Bautista Agut defeated Great Britain's Aljaz Bedene 4-6, 6-3, 6-3.
Bautista Agut, who has won two hard-court tournaments this year, next faces number 14 seed Marcos Baghdatis of Cyprus, who eliminated American Donald Young 6-4, 4-6, 6-4.
Third-seeded Pablo Cuevas of Uruguay had an easier time in getting past Malek Jaziri of Tunisia 7-5, 6-1. Cuevas' next opponent will be 16th-seeded Pablo Carreno Busta of Spain, who eliminated Germany's Jan-Lennard Struff 6-4, 7-5.
France's Gilles Simon was upset in his opening match for the second year in a row. He lost to Diego Schwartzman of Argentina 7-6 (2), 6-1.
Results from the ATP Winston-Salem tournament on Tuesday (x denotes seeded player):
Bjorn Fratangelo (USA) bt Paolo Lorenzi (ITA x11) 4-6, 6-2, 6-3
Pablo Carreno-Busta (ESP x16) bt Jan-Lennard Struff (GER) 6-4, 7-5
Diego Schwartzman (ARG) bt Gilles Simon (FRA x7) 7-6 (7/2), 6-1
Roberto Bautista Agut (ESP x2) bt Aljaz Bedene (GBR) 4-6, 6-3, 6-3
John Millman (AUS) bt Albert Ramos (ESP) 4-6, 7-5, 6-3
Pablo Cuevas (URU x3) bt Malek Jaziri (TUN) 7-5, 6-1
Sam Querrey (USA x6) bt Guillermo Garca-Lpez (ESP) 6-3, 6-7 (5/7), 7-5
Viktor Troicki (SRB x9) bt Kyle Edmund (GBR) 6-3, 7-5
Lu Yen-Hsun (TPE) bt Joao Sousa (POR x10) 6-2, 6-4
Marcos Baghdatis (CYP x14) bt Donald Young (USA) 6-4, 4-6, 6-4
Sam Querrey (USA x6) bt Guillermo Garca-Lopez (ESP) 6-3, 6-7 (5/7), 7-5
Fernando Verdasco (ESP x15) bt Taylor Fritz (USA) 3-6, 6-3, 6-2
Steve Johnson (USA x4) bt Luks Rosol (CZE) 6-3, 6-2