i assume you didnt really get what he ^ means for you are a yellow.
so here is the detailed version
go to free play
enter to open the chat
write /jo J3urt
enter to open the chat again
write /desc need a spar partner
also Crtl+M is a shortcut to mods
xspar is a sparring mod with all the settings you would need.
In case you knew all of that, i apologize for stealing your time