Spain's Nicolas Almagro and Australian Lleyton Hewitt will face off in the Stockholm Open quarterfinals after each posted second-round wins Wednesday.
Novak Djokovic struggled to outlast Belgian Xavier Malisse in an opening-round match Tuesday at the Basel Indoors event.
Novak Djokovic scored 10 aces and racked up three service breaks in a 6-3, 7-5 win over German Andreas Beck Tuesday at the Swiss Indoors Tournament.
Argentina's David Nalbandian outlasted Finn Jarkko Nieminen in three sets Saturday for the Medibank International championship in Sydney.
Former World No. 1 Marat Safin of Russia and Richard Gasquet of France were upset Monday in the first round of the $3.5 million Italian Masters.
Argentine David Nalbandian was a second-round winner, but seventh-seeded Englishman Andy Murray was ousted Tuesday at the Open Sabadell Atlantico in Spain.
World No. 1 Roger Federer rallied from the edge of defeat Wednesday for a second-round win at the $3.57 million Masters Series Monte Carlo tennis tournament.
World No. 1 Roger Federer, still trying for his first tournament win in 2008, advanced to the second round Tuesday at the Estoril Open in Portugal.
Frenchman Paul-Henri Mathieu was a first-round winner Monday at the $1.13 million Open 13 tennis tournament.
Two-time champion and top seed Lleyton Hewitt was among Tuesday's opening-round winners at the Adelaide International in Australia.