Star India shuttler Saina Nehwal and former world number one Kidambi Srikanth entered the second rounds of their respective events but Parupalli Kashyap made an early exit from the Thailand Open Super 1000 tournament, here on Wednesday.
Saina got the better of Selvaduray Kisona of Malaysia 21-15 21-15 in the women's singles opening round to set up a clash with Thailand's Busanan Ongbamrungphan.
Saina, who was first forced to withdraw from the event for positive COVID-19 results on Tuesday but later returned a negative test, thanked the Badminton World Federation officials and doctors for allowing her to participate.
"Yesterday, I was given a positive COVID-19 result after my PCR test but I already told them that I had COVID last November, so I have antibodies. I tried to explain this to the doctor and after my blood tests and chest X-rays the doctor said I was OK and I don't have COVID-19," Saina said after her win.
"I am thankful to the doctors, the BWF and everyone who made the decision for me to play. It was a tiring day but I am happy I could comeback and play my match."
Earlier in the day, Srikanth took just 31 minutes to prevail over compatriot Sourabh Verma 21-12 21-11 in the men's singles, but Kashyap was forced to retire midway in his opening-round match against Jason Anthony Ho-Shue of Canada.
Kashyap, a Commonwealth Games champion, was trailing 8-14 in the third game when he chose to retire after puling his calf muscle.
He had lost the first game 9-21 before making a comeback to take the second 21-13.
Srikanth will next play eight seed Zii Jia Lee of Malaysia, who defeated another Indian HS Prannoy 13-21 21-14 21-8.
Sameer Verma too made a first round exit after losing 15-21 17-21 to Shesar Hiren Rhustavito of Indonesia.
In the men's doubles, Satwiksairaj Rankireddy and Chirag Shetty came from behind to defeat the South Korean pair of Kim Gi Jung and Lee Yong Dae 19-21 21-16 21-14.
The two were delighted by the win over their idol.
"Lee Yong Dae was an idol for both of us when we were started, so it was excellent playing him today, and we are happy to get the win," Satwiksairaj said.
"Our strategy was to attack as much as possible, but not to hurry. We gave up some points in the first game by hurrying too much. But we always knew what we had to do," Chirag added.
However, it was curtains for Arjun Madathil Ramachandran and Dhruv Kapila, who lost to the Malaysian duo of Ong Yew Sin and Teo Ee Yi 21-13, 8-21, 22-24.
Another Indian men's doubles pair of Manu Attri and B Sumeeth Reddy also lost in the opening round to Thai duo of Weeraphat Phakjarung and Wongsathorn Thongkham 19-21 14-21.
The mixed doubles pair of N Sikki Reddy and Sumeeth Reddy B also failed to cross the opening hurdle, losing to Chung Man Tang and Yong Suet Tse 20-22, 17-21.
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