Collins and Cornet had to rally from a set down while Halep continued her dominant streak in Melbourne.

Plus: Stefanos Tsitsipas vs. Benoit Paire and Felix Auger-Aliassime vs. Dan Evans.

Veronika Kudermetova and Liudmila Samsonova defeated the American pair of Shelby Rogers and Coco Vandeweghe, 6-3, 6-3, after the teams split the two singles matches of their semifinal.

Wednesday's ties will determine the semifinalists with Australia and Switzerland in pole position to advance into the final four.

The U.S. has 30 players in the ATP and WTA Top 100s, triple what it had in 2010. The next task is translating those big numbers of players into bigger results at the majors.

Intense winds swept over the desert on Monday, which led to pouring rain in the evening hours at the BNP Paribas Open.

Here are the Americans that made moves across both tours last week.

The world No. 26 is a brand ambassador for the contemporary fashion brand.

The two players attended the Veronica Beard presentation, the CFDA/Vogue Fashion Fund Toast and more.

The cult-favorite American is in the midst of her best run in Flushing Meadows, flying solo and feeling uninhibited after a strong summer.