See
https://bitcointalk.org/index.php?topic=5234398.msg54071041#msg54071041 and
https://bitcointalk.org/index.php?topic=5234398.msg54070971#msg54070971.
I've excluded all users who only participated in the giveaway while Bitcoin was being given away. You were not one of those users.
Coin of the week giveaways
6.1. - 12.1.2020: Litecoin - 1 LTC
13.1. - 19.1.2020: TRON - 2,000 TRX
20.1. - 26.1.2020: Ethereum - 0.25 ETH
27.1. - 31.1.2020: Bitcoin - 0.0050 BTC
Well just saw it.
My Bitcasino.io username is Locketto and I'm never lucky

You did participated in the Bitcoin giveaway as well, though that doesn't really matter much considering your other entry:
My Bitcasino.io username is Locketto and this is the last chance
