General Discussionwhat is the "played with me" button?

what is the "played with me" button? in General Discussion

年 - 月 - 07

i have noticed it, but what is it for?can anyone who uses premium tell?

年 - 月 - 07

It shows matches in which both of you have participated.

年 - 月 - 07

you can see an example screenshot here: https://dotabuff.com/plus