- Tag results for Coco Vandeweghe
Ashleigh Barty and CoCo Vandeweghe won their first Grand Slam title together Sunday, fending off three match points to beat Australian Open champions Timea Babos and Kristina Mladenovic.
CoCo Vandeweghe marched into the Libema Open quarter-finals with a 7-6(4) 6-3 win over Arantxa Rus in the second round.
Seven-time Grand Slam winner Venus made relatively light work of her 124th-ranked opponent to win 6-1, 6-4.
The 16th seed, playing in his 100th Grand Slam match, bowed out 6-4, 3-6, 6-3, 6-3 in just over two hours on Margaret Court Arena.
The American, who also made the last four at the US Open in 2017, was knocked out by Hungary's Timea Babos 7-6 (7/4), 6-2.
Jack Sock and CoCo Vandeweghe gave the United States a perfect start to the 30th edition of the mixed team Hopman Cup event by winning their singles matches in the opening tie against Russia.
In her first Grand Slam semi-final, Rybarikova faces former French Open champion Garbine Muguruza on Thursday.