McLaren boss Zak Brown has rubbished suggestions Fernando Alonso could miss this year's Singapore Grand Prix to contest IndyCar's championship finale at Sonoma.
In May Alonso missed the Monaco Grand Prix to contest the Indy 500 in a McLaren entry powered by Andretti Autosport and Honda. Alonso's attempt to win the iconic oval race ended with a Honda engine failure, prompting him to declare he would return to the event in future.
Alonso's decision to skip Monaco was motivated by Honda's failure to deliver a competitive and reliable engine for the third consecutive year, and doubts remain over where he will be driving in 2018.