I would wait until you see him and then pour some estrous piss right out on the ground in front of you. If the other does are not in heat they'll probably stay away from it, mainly because they don't want to get it on them and then get raped! But that buck sounds like he would come right over for a smell. Tie a small white rag to a fishing string and make it move if he won't come in, but put it in some cover, or if you have a decoy, that would be even better.
I'm guessing that he'd love for one of those nice ladies he's chasing to smell like that piss you'll bring in there for him!
I got a nice eight pointer on opening day last year with estrous piss. Easiest deer I ever killed. And I'm pretty sure that it was in the first week of October.