Eyeing his 11th world title, Advani outplayed countrymate Sourav Kothari 5-2 to set up a title clash with former champion Peter Gilchrist.
Advani, 29, and Kolkata star Kothari were locked 2-2 when the 10-time world champion shifted gears to come out with three century breaks.
Sourav, son of former world champion and national coach Manoj Kothari, also had two runs of over 100 but failed to keep pace with India's poster boy of cue sports.
Semi-final results:
Pankaj Advani bt Sourav Kothari 5-2: 104 (63)-150 (91); 150 (135)-103 (80); 0-150 (139); 150 (95, 55)-28; 150 (151)-0; 150 (148)-48; 150 (138)-143 (119).
Peter Gilchrist (SIN) bt Robert Hall (ENG) 5-3: 104-150 (70, 73); 150 (99)-118 (59); 150 (97)-136 (93); 43-150 (63); 150 (70, 81)-96 (60); 150 (98)-0; 75 (73)-150 (96); 150 (144)-123 (120).