Famed video game leaker Pyoro has posted on X to say that ranked battles will be coming to Pokemon TCG Pocket next month. We are one day away from the Pokemon Day-themed Pokemon Presents presentation which airs tomorrow. It is extremely likely that the news about ranked battles will be announced during the stream. Pokemon TCG Pocket is available now on iOS and Android devices.
Pyoro says ranked battles coming in March in Pokemon TCG Pocket post

Let the salt begin
Thank you. I’m tired of barely beating a player and then the next I get taken out by someone with a damn infernape and 2 dawns 😑
They need to nerf that Celebi card.