Alex Marquez believes his brother Marc Marquez will face a tougher challenge in the MotoGP title fight at several upcoming rounds, with Aprilia expected to be particularly strong at circuits such as Phillip Island, Qatar and Portimao.
Factory Ducati rider Marc Marquez finished sixth in the Indonesian Grand Prix, 10.7 seconds behind race winner Marco Bezzecchi, as Aprilia claimed the top four positions in a grand prix for the first time in its history.
