The phrase "same turf" means being in the same place or location. It refers to being on the same ground or having the same area of influence. Full definition
Toronto FC engraved their first ever chapter on the Estadio Azteca turf — the same turf where Pelé won his third and last World Cup and Diego Maradona scored one of the best ever World Cup goals — with a 1 - 1 draw against Club America, which earned them a spot in the Concacaf Champions League final. (wakingthered.com)
Arsenal went into the game against Manchester City coming off the back of an FA Cup win over Hull City back in May on the same turf. (goonersden.com)
With so many superhero movies being released, writer / director Brad Bird says, «What you don't want to do is trot over the same turf in the same way everyone else is.» (cbr.com)