+You can't ally in 1v1 mode(or ffa mode(this is not the same as melee or TvB or UMS))
+Guy was trying to trick you into losing points from discing.
+You can leave the game and submit it as a tie to remove any points gained/lost.
+You can alt tab and do something else for a few hours.
+Its only a 50 point D rank game.
Bonus Facts:
Discing your wifi:
+Move antennae/laptop out of range
+Remove/Cover antennae to block signal
+Shutdown comp
+Pull the plug on router/modem
+Pull the plug on comp
+alt tab and disable connection
+etc