The No. 2 seed began her week at the Caja Magica with a rematch of her 2023 Australian Open semifinal, overcoming the unseeded Pole to reach the third round.

Fans in Charleston Friday will be in for their own treat after the No. 12 seed set a quarterfinal with world No. 5 Pegula.

The American qualifier saved two match points before beating Arantxa Rus 6-2, 6-7(6), 7-6(6) in three hours and 43 minutes.

After reaching the semifinals of the 2023 Australian Open, Linette is on upset watch in the opening round of this year's event.

Tuesday's winners also included Alex de Minaur, Ben Shelton and Leylah Fernandez.

Fellow ATP Finals contenders Tsitsipas and Rune headline Antwerp and Stockholm; Fernandez looks to build on her Hong Kong triumph at Nanchang.

In China for the first time in four years, Murray won his first-round match at the Zhuhai Championships, while No. 1 seed Linette rolled in Guangzhou.

After a first-round loss in San Diego, Linette is through to the quarterfinals in Guangzhou. Tatjana Maria and Lucia Bronzetti also advanced.

The USTA said tournament referee Jake Garner made the decision to slide the covers to provide additional shade.

ATP and WTA stars alike offered their play-by-play commentary on the match between Carlos Alcaraz and Novak Djokovic.