The 26-year-old Indian, who won two BWF Super 100 titles in Hyderabad and Vietnam this year, went down 15-21, 17-21 to world no 22 Tzu Wei in a 48-minute summit clash to miss out on his maiden Super 300 crown.
Sourabh kept moving ahead despite a spirited fight from Heo and eventually pocketed the match.
Satwiksairaj Rankireddy and Chirag Shetty enjoyed another memorable 'Evening in Paris', lifting the French Open badminton crown for the second time with a dominating straight-game victory over Chinese Taipei's Lee Jhe-Huei and Yang Po-Hsuan in the men's doubles final in Paris on Sunday.
Placed at number 10 in the Race to Guanzhou rankings, Srikanth needed to win the tournament to have any hopes of qualifying for the season-ending World Tour Final in December.
The apex body had also announced that ranking points earned at tournaments during the original qualification phase will be maintained.
India's Lakshya Sen won his second successive BWF World Tour Super 100 title with a thrilling victory over China's Weng Hong Yang in the final of the SaarLorLux Open, in Saarbrucken, Germany, on Sunday.
Satwiksairaj Rankireddy and Chirag Shetty earned India's first-ever badminton gold medal at the Asian Games
Satwiksairaj and Ashwini showed top-notch fighting spirit before going down
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.
In the women's doubles, Treesa Jolly and Gayatri Gopichand won 21-18, 21-19 against the Dutch duo of Debora Jille and Cheryl Seinen. Treesa and Gayatri face Chinese Taipei's Hsu Ya Ching and Lin Wan Ching in the quarter-finals.
Saina Nehwal's chances of defending her title at the Commonwealth Games looks bleak as she has decided to skip the selection trials for the upcoming multi-sport events.
Star India shuttler P V Sindhu made an exit from Thailand Open after going down in straight games to Olympic champion Chen Yu Fei in the semi-finals in Bangkok on Saturday.
PM Modi says Mithali Raj is inspiration to both men, women cricketers
Nozomi Okuhara's harrowing experience after her touchdown in India was 'unfortunate and won't happen in future'
Lakshya Sen has worked on his "speed and variations" to be battle ready for the new season.
Sindhu progressed to the quarterfinals with an easy straight-game win over Japan's Aya Ohori
Sindhu assured herself of a medal in the Double Olympic medallist P V Sindhu eked out a thrilling win over China's He Bing Jiao to enter the singles semi-finals of the Badminton Asia Championships in Manila on Friday.
Sankar's father Subramanian encouraged him to drop out of the schooling system at an early age and pushed him to play in the upper age groups and senior circuits.
Satwiksairaj Rankireddy and Chirag Shetty became the first Indians after Dinesh Khanna to be crowned champions at the 2023 Badminton Asia Championships on Sunday.
Satwiksairaj Rankireddy and Ashwini Ponnappa notched up an upset win over the World No 8 and second-seeded Indonesian pair of Hafiz Faizal and Gloria Emanuelle Widjaja in the opening round.
Top Indian men's doubles pair of Satwiksairaj Rankireddy and Chirag Shetty suffered a straight-game loss to seventh seeded English pair of Ben Lane and Sean Vendy 17-21, 14-21 in a last-8 match.
Saina, who has been battling illness and injuries, is going through a bad patch, having lost six times in the first round this season.
P V Sindhu will be eager to return to the podium as former winner Saina Nehwal looks to regain her touch
Seventh seeded Indians Ishaan Bhatnagar and Tanisha Crasto clinched the mixed doubles title with a straight-games' win over compatriots T Hema Nagendra Babu and Srivedya Gurazada.
The 2020 international calendar concluded with the three tournaments in the Asia leg which was conducted in Bangkok in successive weeks.
The Badminton Association of India is optimistic about China's participation in next month's India Open despite fears surrounding the deadly coronavirus as Chinese shuttlers are in quarantine for almost a fortnight in Europe.
A summary of sports events and sports persons, who made news on Wednesday
A summary of sports events and persons who made news on Thursday
Summary of sports events and persons who made news on Tuesday
Defending champion Saina Nehwal entered the pre-quarterfinals but it turned out to be a disastrous day for the men with all of them, including reigning champion K Srikanth, failing to cross the opening hurdle at the Yonex-Sunrise India Open Super Series badminton.
A summary of sports events and persons who made news on Saturday
A summary of sports events and persons who made news on Thursday
