Lost Series because of this

ITS MOIST OK Bowl!: wtff ITS MOIST OK Bowl!: bot fill ITS MOIST OK Bowl!: gets mid Ashe: lol Teemo i am always support no matter what i took LeBlanc: can i mid maybe? Amumu: If you hit fill then your probably getting support Amumu: lol LeBlanc: yo %%%%%% Teemo: im not filling lolle LeBlanc: ANSWER ME ITS MOIST OK Bowl!: no ITS MOIST OK Bowl!: i would rather mid ITS MOIST OK Bowl!: than top LeBlanc: okay im going mid anyway idc Amumu: saw that coming Teemo: top are like an island Amumu: the name didnt give it away? Amumu: obvious troll is obvios lol Amumu: someone dodge ! LeBlanc: shut it bitch Amumu: you dodge LeBlanc: get carried Teemo: Lolle Amumu: Love when people ask other people to dodge Teemo: it's a trap Amumu: just do it yourself ITS MOIST OK Bowl!: I cant Teemo: it's a trap !!!!!!!!!!!!! ITS MOIST OK Bowl!: on series LeBlanc: im feeding so have fun Teemo: wanna feed Teemo: ok lets go Amumu: I thought you were carring Amumu: Carrying* Amumu: I was expecting an amzing carry from you fds Amumu: and now your bitching out? Amumu: for shame

why does dodging one time count as loss on series?