INDIAN WELLS, CA – MARCH 13: Simona Halep of Romania serves against Qiang Wang of China during Day 9 of BNP Paribas Open on March 13, 2018 in Indian Wells, California. Kevork Djansezian/Getty Images/AFP

World number one Simona Halep breezed through her WTA Indian Wells fourth round match on Tuesday with a 7-5, 6-1 victory over China’s Wang Qiang.

Halep, who is one of two former champions left in the draw, is now 17-1 on the season having already won a title in both singles and doubles at Shenzhen, China.

Halep advances to the quarter-finals where she will face unseeded Petra Martic of Croatia who beat Czech Marketa Vondrousova 6-3, 7-6 (7/4).

Halep called for a timeout in the first set so her coach Darren Cahill could come down to the court to discuss strategy.

“It was really important, because he just told me what I have to do. I knew that I had to change something, but I didn’t realize what it was exactly,” she said.

“So it was a good chat. I did exactly what he said after that.”

In other women’s matches, eighth seeded Venus Williams survived a stern test from Latvia’s Anastasija Sevastova to win 7-6 (8/6), 6-4 and fifth-seeded Karolina Pliskova beat Amanda Anisimova of the USA 6-1, 7-6 (7/2).

Halep needed just 76 minutes on the main stadium court to dispatch Wang as she won 64 percent of her first-serve points and broke Wang’s serve seven times.

Halep said she is happy with the way she is playing at this stage in the tournament.

“I am confident. I am feeling the…

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