Carlos Berlocq of Argentina and Martin Klizan of Slovakia won three-setters to reach the second round of the Open de Nice on Tuesday.
Despite two terrifyingly close quarterfinal matches, Novak Djokovic and Roger Federer will meet again in the French Open semifinals.
Tomas Berdych and Radek Stepanek won their 10th Davis Cup doubles for the Czech Republic to take a 2-1 lead over Serbia in their quarterfinal on Saturday.
Juan Martin del Potro fought off stomach problems and beat Ivo Karlovic on Friday, leaving Argentina tied with Croatia in the Davis Cup quarterfinals.
Tomas Berdych of the Czech Republic will play Viktor Troicki of Serbia in the opening singles match of the Davis Cup quarterfinals.
Ivo Karlovic and Ivan Dodig beat Tatsuma Ito and Yuichi Sugita 6-4, 6-4, 3-6, 6-3 Saturday to give Croatia a 2-1 lead over Japan in their first-round Davis Cup World Group series.
Fourth-ranked Andy Murray claimed his 19th career title in beating American Donald Young 6-2, 6-0 in the final of the Thailand Open on Sunday.
Oliver Marach rallied to beat third-seeded Gaston Gaudio of Argentina 5-7, 6-4, 7-6 (4) Wednesday to advance to the quarterfinals at the Prokom Open.
Andrei Pavel defeated Austrian wild-card Oliver Marach 6-4, 6-2 Thursday to move into the semifinals at the Hypo Group tournament.
Rain has affected the proceedings at the Hypo Group Tennis International on Wednesday.
Defending champ Feliciano Lopez and top seed David Nalbandian advanced to the quarterfinals in Vienna.
Heavy rain postponed five of the scheduled 10 first-round matches on the opening day of the Generali Open.