N Vijay Sundar Prashanth knocked out German fourth seed Torsten Wietoska in the first round of the USD 15,000 ITF Futures tournament, here on Monday.
Prashanth scored a 6-3 7-6(6) win over Wietoska, who had reached the semifinals last week in New Delhi.
It was a smooth start for top seed Jeevan Nedunchezhiyan as he beat Arjun Kadhe 6-4 6-3 in his first round.
National champion Mohit Mayur Jayaraksh laboured to a 7-6(4) 6-7(5) 7-5 win over Luca Margaroli.
Meanwhile, qualifier Shahikh Abdullah sent packing Ashwin Vijayragavan 2-6 6-4 6-2 to move to the second round.
Ashwin though tasted success in the doubles as he and his fourth seed partner Ramkumar Ramanathan beat Indo-American combine of Ajai Selvaraj and Amrit Narasimhan 7-5 6-3.
Selvaraj`s singles campaign has also ended as he lost to 6-7 (5) 3-6 to Jatin Dahiya.
Ashwin and Ramkumar had ended runners-up last week in New Delhi.
Akash Wagh ousted Duck Hee Lee 6-2 6-4 Jatin Dahiya while Chadnrol Sood lost 2-6 6-7 (4) to fellow qualifier Jannis Liniger from Switzerland.
Second seed N Sriram Balaji, last week`s finalist, will open his campaign against qualfier Lakshit Sood.
Vishnu Vardhan, who had lost to Balaji in the semifinals, faces wild card Aaditya Tewari in his first round.