Not one player in the Chemist Warehouse Crows Tipping competition picked nine winners last weekend.

And half the tipsters who entered the Gauntlet sub competition were eliminated at the first stage after a couple of upset wins.

The Round Five weekly winner was Luke Cialini, who picked eight winners and the correct margin in Friday night’s game. He will receive a $50 voucher from CROWmania.

Early overall leader Luke Williams is back in the lead after five rounds, now two points clear of the next best. He has 38 points from a possible 45.

This year’s overall winner will receive the use of a ten-seat corporate box (valued at more than $19,000) in the eastern stand at Adelaide Oval for every Crows home game next season.

The tipster who survives the Gauntlet the longest this season will win a Crows player-signed guernsey.

Click here to sign up for Chemist Warehouse Crows Tipping

Remember, it's not too late to invite friends and colleagues to join Crows Tipping. Away points are awarded even if you missed previous rounds, or forgot to enter your tips and you can still win prizes.

The runner-up in Crows Tipping will receive two tickets to this year’s Club Champion event.

The best tipster each round will receive a $50 voucher from CROWmania.