Unsure when this matchup happened – I can’t find any date of them playing an official TWL match on either of their team history pages:
Plan B twl page:
http://web.archive.org/web/20030608231030/http://www.teamwarfare.com:80/viewteam.asp?team=Plan+B
Team 311 twl page:
http://web.archive.org/web/20050924104116/http://www.teamwarfare.com:80/viewteam.asp?team=Team+311
Plan b:
o r e o s
mode
Krash
Vermouth
Smaqaho
/|ex
Clever
Arckanum
Jibz
Rush
Zer0Skills (left before map end)
Rarebear (left before map end)
Kid Kohler (left before map end)
Kaertes (left before map end)
Team 311:
Manolete
Muda
psycore
Joop
Nordramor
Transta
AtomicRISK
T-Bone-
G-Nice
Jaeth
Chromium|
LiGGyMaN
Kobe Tai
Captain_Kibitz
source