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Praneeth went down fighting to China's world No. 23 Li Shi Feng in the men's singles quarterfinals.
Ashwini Ponnappa and N Sikki Reddy progressed to the women's doubles second round.
While Praneeth went down to world No. 6 Anthony Sinisuka Ginting of Indonesia, Sameer lost to world No. 8 Jonatan Christie, also from Indonesia.
By virtue of the win, world No. 9 Bing Jiao, whom Sindhu had defeated at the Badminton Asia Championship, leads the Indian 10-8 on head-to-head record.
In a repeat of last week's Indonesia Masters quarterfinal, Srikanth once again got the better of compatriot HS Prannoy.
The absence of double Olympic medallist P V Sindhu, London Games bronze medallist Saina Nehwal and men's doubles pair of Chirag Shetty and Satwiksairaj Rankireddy hurt India's chances.
P V Sindhu's stupendous achievements would spur more youngsters to take up the sport.
Sixth seed Sai Praneeth, who has been out of form of late, went down 21-16, 16-21, 18-21 to Japan's Yu Igarashi in a match that lasted an hour and 11 minutes.
Earlier, the 18-year-old Lakshya, who had a stellar run in 2019 with five titles, showed his prowess during his straight-game win over Jonatan, who is one of the top medal contenders at the Olympic Games.
The London Olymics bronze medallist Saina beat Tan 21-15, 21-17 in just 36 minutes of action. This was the first time the two were facing each other.
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