Poland's Hubert Hurkacz has been forced to withdraw from Wimbledon after failing to recover from surgery, the former World No. 6 said on Friday.
In the doubles draw, Indian pair Siddhant Banthia and Parikshit Somani beat compatriots Sai Karteek Reddy Ganta and Vishnu Vardhan 6-3, 3-6, 10-7 to book their spot in the quarter-finals.
Alex Michelsen hung on to defeat Tung-Lin Wu and help the United States take a 2-0 lead against Taiwan in the Davis Cup qualifier in Taipei City on Friday.
Rajeshwaran shown the door at Mumbai Open
Davis Cup heavyweights Australia and the United States eased through the first qualifying round on Saturday but Britain were knocked out as Japan hit back from 2-1 down to win 3-2, while Denmark staged a dramatic comeback to overcome Serbia.
Italy's Matteo Berrettini beat Brazil's Joao Fonseca to give his side a flying start and Matteo Arnaldi then outlasted Thiago Monteiro to put the hosts into a 2-0 lead.