Smarting from having given away two frames in his 4-2 win yesterday, Advani did not take his foot off the pedal to humble Chi Wai of Hong Kong 4-0.
Hot favourite to pick up his 13th world title, India's poster boy of cue sports never faltered once in his 99(47)-24, 67(45)-39, 65(53)-0, 84(63)-45 victory.
Madhya Pradesh cueist Chawla, bronze medallist in 2011 Bangalore Championship and now playing with a bandaged finger, was on the fast lane to finish line with a 3-0 lead against Marwan Alfalasi of the UAE before he came across a speed breaker.
On the women's table, eight-time national champion Vidya Pillai showed no Indian hospitality to a hapless Fernando Irinen of Brazil, demolishing her 3-0 with a 44 break.
Wendy Jans of Belgium, a favourite in this Championship to win the title for the fourth time, overcame Kathy Parashis.
Neena Praveen, a vastly improved player now, won 3-1 against Claudia Zardo Cordeiro of Brazil.
Rising national cueist Amee Kamani, silver medallist at Australian Open, was in good form to blank Alexandra Teramoto of Brazil 3-0.
In the Masters section, Veteran Chennai cueist Rafath Habib was not flattered by Glen Wilkinson's track record of three-times semi-finalist standing, beating him 3-0. Habib's breaks were of 76 and 78.
Naveen Kumar, a wild card and a first time entrant is yet to come to grips playing in the international arena, losing to Noel Rodrigues Moreira of Brazil 0-3.
Defending champion Phist Chandsri did not find any competition in Marcio Da Silva of Brazil and eased to a 3-0 win.