Trolling gold player,flaming.griefing,inting....

The link is the match history of a guy i want to report When we started in champ select this guy picked bard adc along with some %%% with riven supp Honestly it was fine until they started trolling and feeding and griefing,only writing in chat spaming AHAHAHAHHAHA LOL,THIS KHA REPORT HIM.... Even though he was feeding with 2/9 i was so pissed because if they didnt intentionaly feed it would be ok like 0/4 it would be fine i could carry the game along with kata because i had almost 500 stacks with nasus at the end When i said Boys please dont feed lets win this,momci molim vas nemojte feed in croatian,they sad AHAHHAHA MUTE NASUS At this point i got so pissed because i played several games with the guy and he was over all shitt he was mostly good but when he sees that im doing good he is going to int,especially because the guy said in Champ Select guysss we need to win thiss Riven too was 0/9 Such a fuckingg disgusting,not enjoyable,horrible game I rest my fuckin case