After the high of Hall of Fame Open, India's Ramkumar Ramanathan made a first-round exit from the ATP Atlanta Open singles while veteran Leander Paes too was ousted from the USD 748450 hardcourt tournament.
Ramkumar, who ended a runner-up at the Newport event last week, lost 4-6, 4-6 to American world number five Taylor Fritz.
Prajnesh Gunneswaran has already lost his first round to Slovakia's Lukas Lacko, thus Indian challenge ended at the tournament.
In the doubles, Paes and his American partner James Cerretani lost their opener 5-7, 1-6 to American pair of Mike Bryan and Frances Tiafoe.
Purav Raja and Ken Skupski though had advanced to the quarterfinals with a 6-4, 6-3 win over Ricardas Berankis and Malek Jaziri. Top-seeded Divij Sharan and Artem Sitak are up against Roman Arneodo and Jeremy Chardy.