Davis Cupper Sumit Nagal beat wild card Dmitry Popko of Kazakhstan 7-6(7), 6-3 in the second round of the $54,160 Challenger tennis tournament on Thursday.
In the quarterfinals, Sumit will play Roberto Ortega-Olmedo of Spain.
In the Challenger in Korea, Sriram Balaji, seeded second with Jonathan Erlich, reached the doubles semifinals.
The results: $54,160 Challenger, Gwangju, Korea: Second round: Li Zhe (Chn) bt Sasi Kumar Mukund 7-5, 7-6(4).
Doubles: Quarterfinals: Cheng-Peng Hsieh (Tpe) & Christopher Rungkat (Ina) bt Adil Shamasdin (Can) & Saketh Myneni 6-4, 1-6, [10-6]; Jonathan Erlich (Isr) & Sriram Balaji bt Chung Hong & Lee Jea Moon (Kor) 6-3, 6-3.
$54,160 Challenger, Samarkand, Uzbekistan: Second round: Sumit Nagal bt Dmitry Popko (Kaz) 7-6(7), 6-3.
$25,000 ITF men, Luan, China: Second round: Xin Gao (Chn) bt Karunuday Singh 6-3, 6-3.
$15,000 ITF men, Kalmar, Sweden: Second round: Bart Stevens (Ned) bt Adil Kalyanpur 6-3, 6-2.
First round: Adil Kalyanpur bt Patrik NIklas-Salminen (Fin) 3-6, 7-6(5), 6-2.
$15,000 ITF men, Kampala, Uganda: Second round: Ivan Nedelko (Rus) bt S.D. Prajwal Dev 6-1, 6-2; Guy Orly Iradukunda (Bdi) bt Dhruv Sunish 6-4, 6-3; Aryan Goveas bt Dalwinder Sinngh 7-6(4), 7-6(5); Rishi Reddy bt Niki Poonacha 6-2, 6-4.
First round: Simon Carr (Irl) bt Kunal Anand 6-4, 6-4; Rishi Reddy bt Giovani Samaha (Lbn) 4-6, 7-6(3), 6-4.
Doubles: Quarterfinals: Sergey Bolotov (Rus) & S.D. Prajwal Dev bt Kunal Anand & Dipanshu Garg 6-4, 7-5; Simon Carr (Irl) & Ryan James Storrie (GBR) bt Ajeet Rai (Nzl) & Dhruv Sunish 6-3, 7-5.
$25,000 ITF men, Singapore: Second round: Jacqueline Cako (USA) bt Ashmitha Easwaramurthi 6-1, 6-3; Beatrice Gumulya bt Rutuja Bhosale 1-6, 6-4, 6-1; Riya Bhatia bt Andreea Ghitescu (Rou) 7-6(1), 6-4.
Doubles: Quarterfinals: Cako & Ipek Soylu (Tur) bt Nudnida Luangnam (Tha) & Riya Bhatia 6-2, 7-5; Abigail Tere-Apisah (PNG) & Rutuja bt Chompoothip Jundakate (Tha) & Man Ying Maggie Ng (Hkg) 6-2, 7-6(3).