Men's tennis may be going through a changing of the guard, and in that process, Novak Djokovic is standing taller than the rest of the field, Howard Bryant writes.
Top-seeded David Ferrer rallied to defeat German qualifier Dustin Brown 5-7, 6-3, 6-2 in the opening round of the Qatar Open on Tuesday.
Guillermo Garcia-Lopez of Spain upset fourth-seeded countryman Pablo Andujar 6-1, 4-6, 6-1 Wednesday to reach the quarterfinals of the Mercedes Cup.
Dustin Brown of Germany saved a match point to upset sixth-seeded Russian Nikolay Davydenko 7-5, 3-6, 7-6 (7) in the first round of the Mercedes Cup on Monday.
Philipp Kohlschreiber began the defense of his Gerry Weber Open title with a win over wild card Dustin Brown in an all-German matchup Monday.
Second-seeded Grigor Dimitrov and fifth-seeded Alex Bogomolov advanced in the opening round of the Hall of Fame Tennis Championships on Monday.
Second-seeded Tomas Berdych saved three match points before rallying past Ruben Bemelmans 5-7, 7-6 (8), 6-4 to reach the second round of the Gerry Weber Open.
Marin Cilic of Croatia advanced to the quarterfinals of the BMW Open on Thursday by defeating Horacio Zeballos of Argentina 6-3, 7-6 (7).
Croatians Ivo Karlovic and Mario Ancic have withdrawn from the U.S. Open because of injuries.
Brian Dabul of Argentina has defeated Dustin Brown of Jamaica 6-4, 6-4 at the Hall of Fame Tennis Championships to advance to his first ATP semifinal.
Top seed Sam Querrey was upset in the second round of the Hall of Fame Tennis Championships, extending the No. 1 seed's run of never winning the title in the 34 years of the tournament.