I have a question about 1v1s

This guy at the end of the game challenged me to a 1v1 and I said OK. We get in the game and he has zed and I have renekton.

The first thing he asked me was "to first tower or base?" and I responded with "base" and he said "ok".

The game commences and we trade a bit, then I fucking wreck this guy. I'm tower diving and he has no answers. When I get mega creeps, he says "I won, I got first tower. Look it up and youll see that 1v1s are to first tower."

Non stop bitching for a good 10 minutes after the game because he said 1v1s are to first tower or 100 creep kills, but that wasn't stated so I was stalling the lane. I let him take the first tower and he kept telling me that "bro, you suck, dont worry I outscale you and this will be over soon"

The guys name is Stickemz. If you play with him or if hes on your friends list tell him to stop being a sore loser.

EDIT: he said 2000 wins and I have 300. hahahaha