BEIJING, Sept. 24 (UPI) -- Eighth-seeded Sam Querrey rebounded after a poor first set Wednesday for a first-round victory at the $524,000 China Open tennis tournament in Beijing.

BUCHAREST, Romania, Sept. 8 (UPI) -- Potito Starace posted an upset victory Monday in first-round play of the $525,000 BCR Open Romania clay-court tennis tournament.

MUNICH, Germany, May 2 (UPI) -- No. 1-seeded Paul-Henri Mathieu survived a three-set challenge Friday and qualified for the semifinals of the BMW Open tennis tournament.

MUNICH, Germany, May 1 (UPI) -- No. 2-seeded Fernando Gonzalez, despite a shaky start, escaped the upset trend that marked Thursday's second-round play at the BMW Open in Germany.

MUNICH, Germany, April 30 (UPI) -- No. 1-seeded Paul-Henri Mathieu and eighth-seeded Marin Cilic set up a quarterfinal match with victories Wednesday in the clay court BMW Open in Germany.

MUNICH, Germany, April 29 (UPI) -- Defending champion Philipp Kohlschreiber and fifth-seeded Tommy Haas both withdrew Tuesday from the BMW Open tennis tournament in Germany.

MONTE CARLO, Monaco, April 22 (UPI) -- Third-seeded Novak Djokovic, looking for his second Masters Series title this year, picked up a second-round win Tuesday at the Masters Series event in Monaco.

AUCKLAND, New Zealand, Jan. 9 (UPI) -- Top-seeded David Ferrer won two matches Wednesday and earned a place in the quarterfinals of the Heineken Open in New Zealand.

DOHA, Qatar, Dec. 31 (UPI) -- Defending champion Ivan Ljubicic collected a straight-set win Monday in the opening round of the Qatar Open.