
It's borne out of a genuine wish on the part of the 23-year-old not to leave Toyota in the lurch - after all, the easy choice would just be to focus on Formula E next year, a la Nick Cassidy two years ago - as well as a pragmatic desire to keep his future career options as open as possible.
But if Fenestraz doing both Super Formula and SUPER GT has been ruled out, then Toyota faces a major dilemma about how to rearrange its driver roster around his absence in at least one of those series.