In this article, you'll learn how to report players that you have recently played with in Splatoon 2 for inappropriate activity.
Important: Reporting players you have recently played with can only be done through the Nintendo Switch Online app
Complete these steps
Open the Nintendo Switch Online app on your smart device.
Select Splatoon 2.
Select the Battle Stats option (two crossing arrows) from the bottom menu.
Scroll down, and select the last battle you played.
Scroll down to view a list of players from that battle.
Select the player you wish to report, and then select Report.
Scroll down and select the incident detail (reason for reporting), and enter the specific details in the box below.
Select Report to send the user report.