The former World champion lost his way after winning the first two frames and went down 2-3 to the Singaporean ace in an interesting battle.
India's poster boy of cue sports, who has eight billiards crowns under his belt, then outplayed Adian Murray and Brain Harvey, scoring 3-0 victories over each of them.
Former Asian billiards champion Alok Kumar won all his matches 3-0, while Ahmedabad cueist Dhvaj Haria also won all his matches, dropping just a solitary frame.
All Indians in the fray cruised in the league stage and are half-way through to qualifying for the last-32.
The World Championship, which started on October 20, has 55 entries from eight countries. There are 11 cueists, with five cueists in each.
Results:
Group A: D.Rajkumar beat Wayne Doyle 3-1, beat Todd Hayward 3-2, lost Aditya Agarwal 0-3; Aditya Agarwal lost to David Causier 1-3, beat Todd Hayward 3-1.
Group B: Pankaj Advani lost to Peter Gilchrist 2-3, beat Adian Murray 3-0, beat Brain Harvey 3-0.
Group C: Jaiveer Dhingra beat Arthur Winn 3-0, beat Shane Bartellete 3-0.
Group D: Dhvaj Haria beat Steve Brookshah 3-1, beat Gaye Jones 3-0, beat Berrard French 3-0.
Group E: Siddarth Parikh beat Phil Mumford 3-1, beat Eddie Fielding 3-0.
Group F: V.Subramaniyam beat Adam Clark 3-0, beat Jamie Barkar 3-0; Alok Kumar beat Jamie Barkar 3-0, beat Adam Clark 3-0, beat Peter Atkinson 3-0.
Group H: Dhruv Sitwala beat Jonathan Marwood 3-0, beat Felix Knoll 3-0.
Group I: Rupesh Shah beat Carl Walter Steines 3-0, beat Ross Doyle 3-0; Nalin Patel beat Carl Walter 3-0, beat Ross Doyle 3-0, beat Robin Wilson 3-1.
Group J: Sourav Kothari beat Steve Lock 3-0, beat Devendra Joshi 3-2, beat Stephen Kershaw 3-0; Devendra Joshi beat Steve Lock 3-0.
Group K: Ashok Shandilya beat Phil Davis 3-0, beat Mark Hill 3-0, Arun Agarwal beat Phil Davis 3-0, beat Sushrut Pandia 3-1.
Image: Pankaj Advani
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