FLUSHING MEADOWS, N.Y., Aug. 29 (UPI) -- Rain caused a delay in the start of play Tuesday, the second day of the 2006 U.S. Open, and play had not started by early afternoon.

LISBON, Portugal, May 2 (UPI) -- Top-seeded Argentine David Nalbandian and former world No. 1 Marat Safin were among Tuesday's first-round winners at the Estoril Open in Portugal.

LISBON, Portugal, May 1 (UPI) -- Former champion Nikolay Davydenko of Russia was a first-round winner Monday at the Estoril Open in Portugal.

MUNICH, Germany, May 1 (UPI) -- Sixth-seeded Thai Paradorn Srichaphan and local favorite Rainer Schuettler were both first-round losers Monday at the BMW Open in Munich, Germany.

MIAMI, April 1 (UPI) -- Top-seeded Roger Federer will face Croatian slugger Ivan Ljubicic for the title at the NASDAQ-100 Open Saturday.

BUENOS AIRES, Feb. 13 (UPI) -- Top-seeded Argentine David Nalbandian withdrew from the Copa Telmex tennis tournament Monday due to a strained abdominal muscle.

MELBOURNE, Jan. 27 (UPI) -- Top-seeded Roger Federer of Switzerland advanced to Sunday's Australian Open final with a four-set semifinal victory over German Nicolas Kiefer Friday.

MELBOURNE, Jan. 26 (UPI) -- Cypriot Marcos Baghdatis beat fourth-seeded Argentine David Nalbandian in five sets Thursday to reach the final at the 2006 Australian Open.

MELBOURNE, Jan. 25 (UPI) -- Germany's Nicolas Kiefer upended Frenchman Sebastien Grosjean Wednesday at the Australian Open in five sets to reach his first grand slam semifinal. Kiefer, seeded 21st, scored a 6-3, 0-6, 6-4, 6-7 (1-7), 8-6 victory over his 25th-seeded opponent in the q