Serena and friend Wozniacki reach U.S. Open final

Serena Williams of the U.S. celebrates winning match point against Ekaterina Makarova of Russia during their semi-final match at the 2014 U.S. Open tennis tournament in New York, September 5, 2014. REUTERS/Adam Hunger

NEW YORK (Reuters) - Serena Williams and friend Caroline Wozniacki arranged a get-together in the U.S. Open women's final, winning their Friday semi-finals in contrasting fashion on a stifling hot, humid day at Flushing Meadows.

Top-seeded world number one Williams overpowered Russian left-hander Ekaterina Makarova 6-1 6-3, unleashing her daunting firepower against the 17th-seeded Russian.