It’s amazing the services available now, definitely do sniff spot or something if you can’t trust your dog not to be around others. I’ve helped rehabilitate traumatized dogs and wouldn’t dare have the audacity to say “sorry you can’t come in my dog can’t follow the rules of the park” like????
My dog literally doesn’t speak English so telling him “I know we walked all the way out here but there’s a dog in there that doesn’t want to be your friend today, so we have to walk back without going in and playing. I’m so sorry” does JACK DIDDLY SQUAT AND MAKES ME FEEL LIKE AN ASS