Hard to say, everyone has an opinion on this.
Everyone has there on days and off days.
I mean you could look for the loser that’s winning the most duels, but there’s really no skill in the person winning all the duels.
Honestly totally up to personal opinion, i’d Say the best person is probably the one that’s the most active as more people will see them and say there good.
I don’t play enough to have an opinion so I guess I’ll just say whoever is ranked number one in the ABD mod rank