Lag switch user?

is this a lag switch user my ping and PL% were fine i always run on 100 ping but as soon as i lock him my ping and PL% go up in a secong i have a clip (ignore my reaction with my friend :) https://medal.tv/games/war-thunder/clips/1UqqdH_mdIV8CT/d1337bmb5pGk?invite=cr-MSx6ZmIsMjExNzc1MTI2LA) i also reported him