Lauren Davis' win left third-seeded Klara Zakopalova the highest-ranked player left in the tournament.
Mark Metcalfe/Getty Images

American qualifier Lauren Davis beat second-seeded Sorana Cirstea of Romania 6-1, 6-3 in a rain-interrupted, second-round match Tuesday at the Hobart International.

Cirstea's elimination followed that of top-seeded Hsieh Su-wei on Monday and leaves No. 3 Klara Zakopalova as the highest-seeded player remaining at the Domain Tennis Centre. On Tuesday, the Czech advanced with a 6-4, 6-3 first-round win over Timea Babos of Hungary.

Elena Vesnina of Russia beat fourth-seeded Yaroslava Shvedova of Kazakhstan 4-6, 6-2, 6-1 in a second-round match.

Eighth-seeded Sloane Stephens of the United States, who lost to Serena Williams in the quarterfinals of the Brisbane International, advanced to the last eight with a 6-4, 6-0 win over Simona Halep of Romania.

Ninth-seeded Mona Barthel of Germany also advanced to the quarterfinals, defeating Chanelle Scheepers of South Africa 7-6 (3), 7-5.

SI Apps
We've Got Apps Too
Get expert analysis, unrivaled access, and the award-winning storytelling only SI can provide - from Peter King, Tom Verducci, Lee Jenkins, Seth Davis, and more - delivered straight to you, along with up-to-the-minute news and live scores.