Having had to go through the qualifying rounds, the Indian did well to cross two rounds to reach the main draw. He beat a Pakistan player Syed Hamzah Bhukari 3-2 first and then led 2-0 against New Zealand's Alex Grayson before the latter retired.
In the main draw, Kumar showed his fighting qualities in ousting the eighth seed Alex Ingham of England 11-9, 11-8, 11-7. Up against the third seed Chris Gordon of USA next in the quarters, the Indian succumbed 3-11, 9-11, 5-11.