God has reconciled the whole world unto himself by Jesus Christ, 2 Corinthians 5:19.
If you are going to believe that, then you can toss the Calvinist doctrine of predestination into the trash.
If God has reconciled everyone to himself by Jesus Christ, just like the scripture says, then why would he predestinate some to salvation?
Answer is he wouldn't. God sees ALL THINGS in his Son Jesus Christ, Colossians 1:20.
As far as God is concerned sin, death and the devil have been destroyed and Jesus is now Lord.
Because of the victorious work of Christ, Colossians 2:15, Now, "Whosoever that shall call on the name of the Lord shall be saved" Romans 10:13.