Javier Aguirre will be looking for positive performances in Japan's friendlies against Jamaica and Brazil over the coming week, but after failing to register a win in his first two games as manager, positive results would be even more welcome.

Japan plays Jamaica in Niigata on Friday before heading to Singapore to face the five-time world champion Brazilians four days later, with Aguirre hoping for a better outcome than his debut at the helm last month.

Japan lost 2-0 to Uruguay before twice throwing away a lead to draw 2-2 with Venezuela, leaving Aguirre with only four games to make his mark before Japan begins the defense of its Asian Cup title in Australia in January.