However, he briefly returned from retirement in 1998, entering the 1000 km Monza, and the opening race of the International Sports Racing Series (ISRS), driving for Centenari; he didn't start the 1000 km Monza, and finished sixth overall (second in the CN class) in the opening round of the ISRS.
In 1998, he briefly returned from retirement to compete in the 1000 km Monza and the ISRS opener for Centenari; although he did not start the 1000 km Monza race, he finished sixth overall (second in the CN class) in the series' inaugural round.