Indian Mithun Manjunath stunned fourth seed and world number seven Kean Yew Loh of Singapore in the opening round while PV Sindhu and Kidambi Srikanth secured straight-game wins.
Rankireddy and Shetty won 21-12, 21-16 in a quarterfinal match that lasted 49 minutes.
India's double Olympic medallist P V Sindhu cruised into the quarterfinals of the French Open badminton tournament with a straight-game win over Line Christophersen of Denmark in the women's singles second round in Paris. Sindhu, seeded third, prevailed 21-19, 21-9 over Christophersen, ranked 24th in the world, in 37 minutes late Thursday night.
Fresh from their Korea Open triumph, Satwiksairaj Rankireddy and Chirag Shetty will look to continue their dream run.
PV Sindhu and Lakshya Sen progressed to the second round with superlative wins in the women's and men's singles events at the China Masters
World champion Kunlavut Vitidsarn crashed out of the India Open Super 750 badminton tournament
Facing each other for the first time in seven months after their heated Denmark Open semifinal clash, the double Olympic medalist Indian reeled off five successive points to take the opening game.
Srikanth showed great determination to outwit Korea's World No 25 Lee Dong Keun 12-21, 21-16, 21-18 in a second-round clash that clocked an hour and 13 minutes. The Indian had lost twice to the 27-year-old Korean in the past two meetings.
Olympic medallist P V Sindhu is also missing in action as she recovers from an injury.
India ace Kidmabi Srikanth clinched his third Super Series Premier title with a dominating straight-game victory over Korean veteran Lee Hyun II in a lop-sided final of the US $750,000 Denmark Open, in Odense, on Sunday.
Home favourites Satwiksairaj Rankireddy and Chirag Shetty went down in a tense final against world champions Kang Min Hyuk and Seo Sang Jae at India Open, settling for their second successive runners-up finish, in New Delhi on Sunday.
Prannoy registered a 21-18, 22-20 win over the world number 12 Chen
Defending champion Lakshya Sen looked in fine fettle as he registered a straight-game win over compatriot H S Prannoy to make a winning start to his title defence at the Yonex-Sunrise India Open Super 750 badminton tournament, in Delhi, on Tuesday.
India's leading shuttlers Saina Nehwal and Kidambi Srikanth advanced to the second round of the French Open with straight-game wins, but it was curtains for Sameer Verma at the US $750,000 BWF event, in Paris, on Wednesday.
Both Sen and Srikanth are fighting to be inside the top 16 by April 28 next year to qualify for the Paris Olympics.
Former champion PV Sindhu progressed to the women's singles second round but Lakshya Sen went down fighting to world number one Viktor Axelsen at the Singapore Open Super 750 badminton tournament in Singapore on Wednesday.
'Last year was really, really tough. I was coming back from injury. No active badminton player is (still) playing after two serious injuries but I didn't want to give up because I have something on my mind. I want to win another medal at the Olympics.'
Sindhu dished out a compact game to outwit Sayaka 21-17, 21-16 in a second round match on Thursday to set up a clash with seventh seeded Chinese He Bingjiao.
HS Prannoy becomes the first player to beat Tokyo Olympics gold medallist Victor Axelsen in full a match since March.
H S Prannoy has revealed that he has been battling a chronic gastrointestinal disorder for the past four months
Sindhu and Saina will once again be India's best bet as they look to put up a good show this week.
Former India skipper Virat Kohli, four-time grand slam winner Naomi Osaka of Japan and decorated gymnast Simon Biles of the USA, are some of the star athletes who have been candid about their struggles with mental health.
P V Sindhu eased into the second round with a straight-game win after fellow Indian Lakshya Sen showed his mettle with a stunning victory over world No. 10 Japanese Kanta Tsuneyama on the opening day of Indonesia Masters Super 750 in Bali on Tuesday.
Olympic medallist PV Sindhu and Kidambi Srikanth crashed out in the quarter-finals of the French Open after suffering straight-game defeats in their respective matches as India's campaign ended in the singles events.
Sindhu yet again struggled to buck the trend of early exits
'I want to take Durga Maa's blessings and achieve a lot more'
India's two-time Olympic medallist P V Sindhu romped into the women's singles semi-finals of the Indonesia Masters Super 750 badminton tournament with an easy victory over Turkey's Neslihan Yigit, in Bali, on Friday.
Star Indian shuttlers P V Sindhu and Kidambi Srikanth advanced to the Round of 16 after pulling off contrasting wins in the opening round of the US$ 700,000 Malaysia Open World Tour Super 750 tournament.
His backhand blocks and forehand low returns reaped dividends but an alert Gemke managed to grab a four-point cushion at the interval.
The prestigious awards recognise the achievements of the elite badminton players
The World No 25 pair of Satwiksairaj and Chirag put a gallant fight in the second game but couldn't stop the two-time All England Champions from Indonesia, going down 12-21, 24-26 in a 42-minute match.
Now all eyes are on the two Super 1000 events -- Yonex Thailand Open (January 12-17) and Toyota Thailand Open (January 19-24) as the world's best return to action following a prolonged break.
Star shuttlers P V Sindhu and Kidambi Srikanth notched straight-game victories to progress to the quarter-finals, but it was curtains for Saina Nehwal in the US $700,000 Malaysia Open World Tour Super 750 tournament, at the Axiata Arena in Bukit Jalil, a suburb in Kuala Lumpur, on Thursday.
HS Prannoy had almost given up on winning his next title and breaking a six-year long drought before chief national coach Pullela Gopichand instilled in him the belief.
A summary of sports events and persons who made news on Saturday
P V Sindhu and Kidambi Srikanth continued their impressive run at the Malaysia Open, progressing to the semi-finals of the women's and men's singles competition with a straight-game wins in the US$ 700,000 world tour super 750 tournament, in Kuala Lumpur.
Summary of sports events and persons who made news on Saturday
Fifth seed Sindhu will now look to avenge her All England loss against Korea's Sung Ji Hyun, whom she faces next, while Srikanth will meet Thailand's Khosit Phetpradab on Thursday.
India's top shuttlers P V Sindhu and Kidambi Srikanth experienced contrasting defeats in the semi-finals of the US $700,000 Malaysia Open Super World Tour 750 tournament, in Kuala Lumpur, on Saturday.
Summary of sports events and persons who made news on Tuesday
