Prakash Amritraj's doubles campaign at the Hall of Fame Tennis Championships ended after losing the quarterfinal tie in straight sets along with Luxembourg partner Giles Muller.
Wild card entrant Amritraj-Muller went down 4-6 2-6 against Rik de Voest of South Africa and Ashley Fisher of Australia in Newport, United States.
The winners now take on Indo-Pak duo of Rohan Bopanna and Aisam-ul-haq-Qureshi, who overcame a fighting Kevin Anderson and James Cerretani to storm into the semifinals.
The fourth seed Indo-Pak pair had to work hard to eke out a 7-6 (4) 3-6 10-7 win against the South African-American duo in the quarterfinals.
Amritraj would now aim to stretch his singles campaign to the summit show of the event. He will lock horns against seventh seed Canadian Frank Dancevi in the semifinal.