This was Sameer's fifth loss to Lee in seven meetings.
Former world No. 1 Saina, who missed a lot of tournaments last year due to multiple injuries, moved to the second round after her opponent, Czech Republic's Tereza Svabikova, suffered a back injury and retired mid-way while trailing 20-22, 0-1 in an opening round match.
The 26-year-old from Hyderabad lost her momentum after that incident, losing 21-13, 19-21, 16-21 to eventually sign off with a bronze medal, her second in the continental individual championship.
Sindhu looked in complete control as she prevailed 21-15, 21-11 over world No. 36 Tan in a 29-minute match.
20-year-old Malvika Bansod, ranked 111th, took 34 minutes to register a straight games victory against former World No 1 Saina Nehwal.
Former World No 1 Saina, the London Olympics bronze medallist, lost 14-21, 21-17, 17-21 to World No 2 Yamaguchi in a 50-minute women's singles clash.
World Championships bronze medallist Sen had earlier advanced to the men's singles semi-finals after his opponent Lu Guang Zu of China gave a walkover.
On Saturday, Sen had become only the fifth Indian after Prakash Nath (1947), Prakash Padukone (1980, 1981), Pullela Gopichand (2001) and Saina Nehwal (2015) to reach the final of the prestigious tournament after outwitting defending champion Lee Zii Jia in a gruelling semi-final.
This is Saina's first win over the South Korean, who got the better of the Indian in the quarter-finals of the French Open last year.
Kidambi Srikanth created history as he became the first Indian man to enter the World Badminton Championships final after edging compatriot Lakshya Sen in a thrilling semi-final, in Huelva, Spain on Saturday. Srikanth rallied after losing
Star Indian shuttlers P V Sindhu and Saina Nehwal sailed into the second round of the Singapore Open with straight-game wins over their respective rivals in the women's singles event on Wednesday.
Former champions P V Sindhu and Kidambi Srikanth advanced to the quarter-finals with easy victories, but the highlight of the third day's proceedings in the Yonex-Sunrise India Open badminton tournament was H S Prannoy's thrilling victory over Denmark's Jan Jorgensen.
The Indian team, comprising Olympic hopefuls PV Sindhu, Saina Nehwal and B Sai Praneeth, have been allotted training timings. The players also had their first gym session in the afternoon.
Just like in her campaign opener against Japan's Akane Yamaguchi on Wednesday, Sindhu squandered a game advantage to lose yet again in the year-ending BWF World Tour Final
Star Indian shuttler P V Sindhu cruised into the quarter-finals of the All England Championships women's singles with a straight-game win over Sung Ji Hyun of Korea, in Birmingham, on Thursday.Rising Indian shuttler Lakshya Sen was knocked out after losing in straight games to Victor Axelsen.
Gupta, 56, was a Rajya Sabha member and was minister for steel in the United Progressive Alliance government.
Indian pair toiled hard for one hour and 15 minutes to beat their world No 6 Malaysian opponents 18-21, 24-22, 22-20
Sindhu, seeded second, defeated local favourite Gregoria Mariska Tunjung 23-21, 21-7 in 37 minutes to make the last-eight stage of her season-opener, while eighth seed Srikanth recorded a clinical 21-14, 21-9 win over Japan's Asian Games bronze medallist Kenta Nishimoto.
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.
Sourabh Verma and Ajay Jayram also entered the second round
Meghana and Tasnim pair defeated Korean duo of Yeo Jin Gong and Da Yeon Jeong 23-21, 21-18 in the final to secure the Under-15 girls doubles title.
Prime Minister Narendra Modi led the tributes that poured in for Badminton Association of India president Dr. Akhilesh Das Gupta, who passed away in Lucknow after suffering a heart attack on Wednesday.
Prime Minister Narendra Modi on Sunday congratulated shuttler Kidambi Srikanth after he clinched his second Super Series Premier title by lifting the Indonesia Open men's singles trophy in Jakarta.
Summary of sports events and persons who made news on Sunday
Sourabh kept moving ahead despite a spirited fight from Heo and eventually pocketed the match.
This was Satwik and Chirag's third loss this year against the world number 1 pair.
The Hyderabad Open badminton tournament, scheduled to be held from August 11 to 16, was on Thursday cancelled by the world body BWF in view of the coronavirus pandemic. The event was part of the BWF's revised calendar to restart the sport after the pandemic-forced cancellations since March.
Summary of sports events and persons who made news on Sunday
It is Sindhu's second semifinal of the season, following a last-four finish at the India Open last month.
Sourabh recovered from a mid-game slump to beat Sun 21-12, 17-21, 21-14 in the summit clash
Srikanth blew two game points in the second game to lose 7-21, 20-22 to Axelsen in the men's singles summit clash.
The emotional and financial impact of the coronavirus pandemic is weighing on Indian shuttler HS Prannoy's mind and he believes that the already "bleak" scenario would only get worse if things don't take a turn for the better in one and a half month's time. The coronavirus outbreak, which has killed over 40,000 globally, has put countries in lockdown and halted sports, including badminton, across the world. It has also triggered financial and mental woes across the world.
Commonwealth Games bronze medallists Ashwini Ponnappa and N Sikki Reddy scored a stunning straight games victory over world No. 18 Li Wenmei and Zheng Yu to make it to the second round in the women's doubles at the US $350,000 India Open, in Delhi, on Tuesday.
The London Olympics bronze medallist was trailing 4-10 in the opening game when Marin decided to withdraw from the contest.
Srikanth had entered the finals of Commonwealth Games last year but he failed to reach the summit clash in any BWF superseries or BWF World Tour tournament since his French Open win in October, 2017.
A summary of sports events and sports persons, who made news on Sunday
The Indian kabaddi contingent made an impressive start to its campaign at the 18th Asian Games with the women's team mauling Japan and the men's side beating Bangladesh and Sri Lanka in Jakarta on Sunday.