The Amsterdam Boys thrashed Gam Rock FC 3-1 in their opening match before clashing with Asselem FC, who drew 1-1 with Santos United FC in their opening match.
Mighty Ajax FC snatched the vital three points after scoring one goal in the match without Asselem FC reacting to clasp their second win in the annual Gunjur wet season biggest football festivity.
The victory earned the Amsterdam boys top spot in their group with 6 points after winning their two opening matches.
Asselem FC remained bottom-place in their group with 1 point after two group games.
The Asselem boys now need to win their remaining group matches to advance to the quarterfinals of the annual Gunjur nawetan.