Rosenqvist, who finished fifth in Friday's competition, qualified as eight but lost several places on the starting lap when it got crowded in the first turn.
Felix did not manage to come back and approach the top.
In the table, Rosenqvist lost from ninth to tenth.
Marcus Ericsson made another mediocre qualifier.
From the 15th starting position it became a race in the shadows.
He took a placement, a slight consolation.
After all, there was little Swedish cheering in Indianapolis.
Will Power dominated the race and led from start to finish.
The Australian chief mechanic is called Mattias Jönsson!
Colton Herta finished second while Alexander Rossi took third place.
Scott Dixon remains in the championship lead despite being "only" eighth in the race.
The five-time champion needs to be the worst ten at the end to secure a new title.
The final race will be held in St.Petersburg, Florida, October 25th.