Originally Posted by ijgordon

I would think this would be a similar situation to JFK-LAX on QF, where people have been successful booking that route as part of a OWE even when not connecting directly on to / from Oz. Though there have been reports of it being more difficult to book that flight in such situations. Sorry I can't help with specifics as how to book GRU-GIG, but it should theoretically be possible, maybe keep trying different agents!