Sumit Nagal, placed at a career-best 174 right now, knocked out the fifth seed Filip Horansky 7-6 (1), 6-2 in the semi-final match that lasted one hour and 44 minutes.
Jinan Open 2019: Prajnesh Gunneswaran beats Chinese Taipei's Tung-Lin Wu in hard-fought contest to book spot in quarterfinals
Prajnesh had plenty of breakpoints but could convert only two of the eight and dropped his serve once in the one-hour-34-minute clash.
Jinan Open: Prajnesh Gunneswaran enters pre-quarterfinals after straight-set win over Japan's Renta Tokuda
Playing his first tournament after losing the US Open first round, the left-handed Indian raced to a 6-2 6-2 win in the second round of the USD 162480 hard court ATP Challenger tournament.
In the singles event, Sumit Nagal and Prajnesh Gunneswaran had suffered first-round defeats at the hands of Roger Federer and Daniil Medvedev respectively
Firstpost Editor's Picks: Narendra Modi at G7 Summit, RBI's surplus transfer, US Open 2019; today's must-read stories
Firstpost Editor's Picks: Narendra Modi meets Donald Trump at G7 Summit, RBI's surplus transfer to the government, Prajnesh Gunneswaran and Sumit Nagal in the US Open 2019; today's must-read stories
US Open 2019: Prajnesh Gunneswaran, Sumit Nagal bow out in first round but not without showing plenty of promise
For Indian tennis, it is ideal if the focus is on Prajnesh Gunneswaran and Sumit Nagal's first set performance. Both played very well and were undeterred by their respective top-5 opponents. But it is equally important to look at how to keep it going for the rest of the match.
US Open 2019: Prajnesh Gunneswaran bows out in first round after losing in straight sets to World No 5 Daniil Medvedev
The gulf between Prajnesh Gunneswaran and top-10 players were wide and apparent as he lost 4-6, 1-6, 26 to Daniil Medvedev, who recently vanquished multiple Grand Slam winner Novak Djokovic.
US Open 2019 schedule: Serena Williams vs Maria Sharapova and Roger Federer vs Sumit Nagal on Monday night
US Open order of play for Day 1 and Day 2 has been released with Serena Williams, Maria Sharapova and the two Indians in main draw headline acts on Monday.
Nagal said 'It will be a great opportunity to play Roger at Arthur Ashe stadium. It's probably the best thing that could have happened.'
US Open 2019: Sumit Nagal beats Joao Menezes to reach main draw for first time, sets up 'dream' clash against Roger Federer
Sumit Nagal has become only the fifth Indian player to feature in a Grand Slam singles main draw in this decade.
US Open 2019: Sumit Nagal enters final round of qualifiers with hard-fought win over Canada's Peter Polansky
Nagal, placed at a career-best 190, knocked out Canadian Peter Polansky 7-5, 7-6 (0) in two hours eight minutes on Thursday night in the men's singles qualifiers.
US Open 2019 Draw: Serena Williams to meet Maria Sharapova in blockbuster first round; Roger Federer, Rafael Nadal can only meet in final
US Open draw was unveiled on Thursday with Naomi Osaka and Novak Djokovic as top-seeds, defending champions and World No. 1s.
Winston-Salem Open: India's Prajnesh Gunneswaran suffers second round defeat against top seed Benoit Paire
Top-seeded Benoit Paire reached the third round of the ATP Winston-Salem Open Tuesday, beating Prajnesh Gunneswaran 6-3, 7-5.
Winston Salem Open: Prajnesh Gunneswaran advances to second round; Divij Sharan-Rohan Bopanna crash out in doubles
India's top single's player Prajnesh Gunneswaran advanced to the second round of the Winston Salem Open ATP 250 tournament with a straight set win over Cedrik-Marcel Stebe.
AITA selectors have gone with the expected squad comprising Ramkumar Ramanathan, Prajnesh Gunneswaran, Rohan Bopanna and Divij Sharan for singles and doubles rubbers.
Los Cabos Open: Wasteful Prajnesh Gunneswaran crashes out in second round after losing to Taylor Fritz
Prajnesh, ranked 90, could convert just one of the six break chances to eventually suffer a 6-4, 3-6, 2-6 defeat against American world number 28 Taylor Fritz.
Davis Cup 2019: Mahesh Bhupati-led Indian team 'excited and available' for clash in Pakistan but seek security clearance
It has been learnt that Bhupathi has also written a letter to the All India Tennis Association (AITA), asking about travelling squad's safety and security during its stay.
Davis Cup 2019: India squad for tie in Pakistan to be announced on 5 August; AITA secretary satisfied with security arrangements
India will face lower-ranked Pakistan in an away fixture for the Davis Cup Asia/Oceania Fixture, the winner of which will advance to the World Group Playoff
Atlanta Open 2019: Prajnesh Gunneswaran continues string of first-round exits with loss against South Korean Soonwoo Kwon
Indian ace Prajnesh Gunneswaran, ranked 88, had beaten the 117th ranked South Korean in all three meetings before, including in Thailand early this year
Wimbledon 2019 wrap: 'Big Three' continue to be unstoppable, Serena Williams continues to stutter and plenty of first-timers
Repeat winner in Novak Djokovic, women's winner in Simona Halep, another defeat for Serena Williams, heartbreaking loss for Roger Federer. Wimbledon 2019 witnessed some firsts and few repeats.