The 18-year-old Sen, the 2018 world junior championships silver-medallist, lost 13-21, 12-21 to Tanongsak Saensomboonsuk of Thailand in a 32-minute contest.
Shuttler R M V Gurusaidutt was the lone bright spot in an otherwise disappointing day for the Indians at the Australian Open Grand Prix Gold in Sydney.
Emerging Indian shuttler Sourabh Varma continued his dream run at the Syed Modi Memorial India Open Grand Prix Gold badminton tournament by stunning 16th seed Suppanyu Avihingsanon of Thailand, to storm into the final of the men's singles event, in Lucknow, on Saturday.
Indian shuttler Sourabh Varma continued his giant killing spree as he shocked seventh seed Yun Hu 23-21, 21-19 to breeze into the men's singles semi-finals of the Syed Modi Memorial India Open Grand Prix Gold badminton tournament, in Lucknow, on Friday.
Second seed Indian Chetan Anand suffered a shock defeat but P Kashyap and Arvind Bhat notched up contrasting wins to reach the quarterfinals of the Indian Open Grand Prix in Hyderabad on Thursday.
Reigning World champion and title favourite P V Sindhu sailed into the pre-quarter-finals at the China Open Super 1000 tournament with a convincing straight-games victory over former Olympic gold medallist Li Xuerui, in Changzhou, on Wednesday.
Indian mixed doubles pairing of Satwiksairaj Rankireddy and Ashwini Ponnappa shocked Commonwealth Games silver medallists England's Marcus Ellis and Lauren Smith to enter the pre-quarterfinals of the $ 1 million China Open
Summary of sports events and persons who made news on Tuesday
Title-contenders Saina Nehwal and B Sai Praneeth advanced to prequarter-finals of the Thailand Open after notching up straight-game wins in the women's and men's singles competition respectively.
Defending champion Saina Nehwal and World number five Kidambi Srikanth were among the nine Indian shuttlers who entered the quarter-finals of the singles events at the Syed Modi International Grand Prix Gold badminton tournament in Lucknow.
The 24-year-old from Hyderabad will begin her campaign against China's Li Xuerui, a former Olympic gold medallist and World No 1.
A summary of sports events and sports persons, who made news on Thursday.
Summary of sports events and persons who made news on Friday.