Sen fell to Ireland's Nhat Nguyen in a tense three-game battle, losing 18-21, 21-9, 17-21 in a men's singles match that lasted one hour and 20 minutes.
The 24-year-old from Amalapuram expressed his gratitude to his partner for being there during this challenging time.
Star Indian shuttlers PV Sindhu and Lakshya Sen will spearhead a strong contingent at the USD 250,000 Swiss Open, beginning on Tuesday, aiming to regain top form.
Lakshya Sen progressed to the quarter-finals of the China Masters Super 750 badminton tournament with a straight-games win, but two-time Olympics medallist PV Sindhu's campaign ended in the second round in Shenzhen, China, on Thursday.
Isharani Baruah and Anmol Kharb shone bright as India all but assured its place in the quarter-finals of Uber Cup after beating Singapore 4-1 in the second tie of Group A, in Chengdu, China, on Sunday.
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 no. 5 Jiang Zhen Bang and Wei Ya Xin were the first to dazzle as they beat Korea's Kim Won Ho and Jeong Na Eun 21-19, 21-18 in the mixed doubles semifinals at the KD Jadhav Indoor Hall.
Ace shuttler PV Sindhu on Sunday offered prayers at Mahankali temple in the old city of Hyderabad.
India had a mixed day at the Madrid Spain Masters with PV Sindhu marching into the semis and Kidambi Srikanth's campaign coming to an end.
It is Sindhu's first final since winning the gold and the Commonwealth Games last year.
However, a tough contest awaits the former world No. 1 as he faces top seed Kenta Nishimoto of Japan next.
Double Olympic medallist P V Sindhu stayed on course for an elusive gold medal, while Laskhya Sen entered his maiden final at the Commonwealth Games in Birmingham on Sunday.
India cruised to a 3-0 win over minnows South Africa to progress to the semifinals
Former World champion P V Sindhu needed 36 minutes to get the better of the 21-year-old Chaliha 21-7, 21-18 and set up a last-four meeting with Thailand's Supanida Katethong.
A summary of Indian athletes' performances on Sunday, August 7, Day 10 of the Birmingham Commonwealth Games.
Star shuttlers, including P V Sindhu, will chase individual gold medals but doubles would also under the spotlight as India would aim to retain the mixed team title and continue their consistent run at the Commonwealth Games.
The Indian men's doubles pair of Satwiksairaj Rankireddy and Chirag Shetty shocked reigning World champions Mohammad Ahsan and Hendra Setiawan to join P V Sindhu and Saina Nehwal in the quarter-finals of the US $750,000 French Open, in Paris, on Thursday.
A summary of sports events and sports persons, who made news on Thursday.
Summary of sports events and persons who made news on Tuesday
A summary of sports events and persons who made news on Wednesday.