Nagal will meet compatriot Saketh Myneni, who also qualified for the quarter-finals.
India's top two singles players Sumit Nagal and Sasi Kumar Mukund have conveyed to the national tennis federation that they won't travel to Pakistan for the next Davis Cup tie.
AITA usually names five-member squad apart from one or two reserve players.
Reaping rewards of his consistent performance, Prajnesh Gunneswaran, on Monday, broke into men's singles top-100 for the first time in his career with a jump of six places that took him to 97.
Prajnesh is now ranked 102 in the men's singles rankings with a jump of seven places while Ankita leapfrogged 35 places to a career-high 168 in the women's singles.
Sanam Singh and Vijayant Mailk raised hopes of an all-Indian final at the US $15,000 ITF men's singles Futures tournament in Toronto, Canada, after winning their respective quarter-finals. Second seed Sanam beat Canadia's Braydenx Schnur 7-5, 6-1 while fourth seed Vijayant got the better of eighth seed Fritz Wolmarans of South Africa 7-6(3), 6-2.
Sanam Singh enjoyed a good day in office, reaching the men'[s singles quarter-finals and doubles semi-finals in the US $15,000 ITF men's Futures tournament in Toronto, Canada.
Mukund is now the second Indian player to pull out of the tie after Rohan Bopanna had withdrawn due to a shoulder injury.
Leander Paes is set to return to the Indian Davis Cup squad after making himself available for the upcoming tie against Pakistan as the country's top players and non-playing captain Mahesh Bhupathi have refused to travel to the neighbouring nation, citing security concerns.
Summary of sports events and persons who made news on Thursday
The Indians clinched the boys' and girls' singles titles in tennis through Sasi Kumar Mukund and Dhruthi Tatachar Venugopal, following their mixed doubles success together earlier.
AITA on sticky wicket after shift in venue
Yuki Bhambri breezed past Italy's Marco Cecchinato in the opening round of the qualifiers in the Chennai Open on Saturday.
A summary of sports events and sports persons, who made news on Wednesday.
Prajnesh Gunneswaran and Ramkumar Ramanathan will lead the singles challenge, while Rohan Bopanna and Divij Sharan will make the doubles pair for the grass court tie.
A summary of sports events and sports persons, who made news on Thursday.
A summary of sports events and persons who made news on Monday.
Summary of sports events and persons who made news on Monday.