Grandmasters Arjun Erigaisi and P Harikrishna had another good day as they sent veteran Peter Leko of Hungary and Sweden’s Nils Grandelius packing in the fourth-round tie-breaker here on Thursday.

Arjun dumped Leko 3-1 in the first set of the tie-breaker itself, while Harikrishna drew the first and then won the second for an overall 2.5-1.5 victory that took him to the last-16.