STOCKHOLM — American Jack Sock and Marcos Baghdatis of Cyprus advanced to the second round of the Stockholm Open with hard-fought wins Tuesday.
Seventh-seeded Sock beat Pablo Carreno Busta of Spain 6-3, 6-7 (1), 6-3, while 2009 champion Baghdatis was taken to a first-set tiebreaker by Sam Querrey of the United States before winning 7-6 (2), 6-1.
Sock next meets Fernando Verdasco while Baghdatis faces fourth-seeded Bernard Tomic of Australia.
Also, eighth-seeded Gilles Muller of Luxembourg saved eight of 10 break points in a 6-3, 6-7 (2), 6-1 win over qualifier Mischa Zverev of Germany, while Steve Darcis of Belgium defeated Adrian Mannarino of France 7-6 (4), 6-4.