Sania Mirza, Hradecka move into quarterfinals in Charleston, U.S.

Sania and partner Lucie Hradecka beat Francesca Di Lorenzo and Katie Volynets 7-5, 7-6 (5) in the doubles pre-quarterfinals.

FILE PHOTO: A fitness concern for Sania Mirza has put a question mark over her participation in the Billie Jean King Cup.

Sania Mirza in partnership with Lucie Hradecka beat the American wildcard entrants Francesca Di Lorenzo and Katie Volynets 7-5, 7-6 (5) in the doubles pre-quarterfinals of the USD 899,500 WTA tennis tournament on clay in the U.S.

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In the quarterfinals, Sania and Hradecka were scheduled to meet third seeds Alexa Guarachi and Jessica Pegula. There was a fitness concern for Sania which has put a question mark over her participation in the Billie Jean King Cup Asia-Oceania competition scheduled to be played in Antalya, Turkey, from April 12 to 18.

In the Challenger in Ecuador, fourth seed Ramkumar Ramanathan was beaten 4-6, 6-1, 7-6 (5) by J. C. Aragone of the U.S. in the first round.

• Doubles (pre-quarterfinals): Lucie Hradecka (Cze) & Sania Mirza bt Francesca Di Lorenzo & Katie Volynets (U.S.) 7-5, 7-6 (5).

• Doubles (pre-quarterfinals): Marco Bortolotti (Ita) & Arjun Kadhe bt Tiago Cacao & Fabio Coelho (Por) 6-3, 6-3.

• Singles (first round): JC Aragone (U.S.) bt Ramkumar Ramanathan 4-6, 6-1, 7-6 (5).

• Singles (first round): Kasidit Samrej (Tha) bt Digvijay Pratap Singh 6-3, 7-6 (4); Nitin Kumar Sinha bt Adil Kalyanpur 6-2, 6-2; Amaury Raynel (Fra) bt S. D. Prajwal Dev 6-4, 6-3.

• Singles (first round): Jia-Jing Lu (Chn) bt Zeel Desai 6-3, 6-0.
• Doubles (pre-quarterfinals): Varatchaya Wongteanchai & Varunya Wongteanchai (Tha) bt Yuka Hosoki (Jpn) & Sathwika Sama 6-4, 6-2; Ho Ching Wu (Hkg) & Jennifer Luikham bt Haruna Arakawa & Natsuho Arakawa (Jpn) 7-6(4), 1-0 (retired); Momoko Kobori & Hiroko Kuwata (Jpn) bt Anhzelika Isaeva (Rus) & Saumya Vig 6-2, 7-5.