Quick Q. with Ranked and Pre-Mades

So I was playing Singed with my whole team that are eventually Solo Players

But we were playing vs an un-ranked 4 man plebs and eventually of course they were pretty trash I feel bad for the Solo player on that team tbh

But what I want if its possible to make people do placements 1st before being allowed to Team Up

Note:This was at Gold-Plat