Marcus Ericsson moved up from a 22nd place finish to a final ninth place finish in the second race in Detroit.
Ericsson has thus amassed 211 points after eight races, and is seventh in the championship.
Won Sunday's competition was Patricio O´Ward - and he also leads with a total of 299 run-in points.
The article is updated.
CLIP: Marcus Ericsson took the first victory of his career in Indycar (June 12)
Javascript is disabled
Javascript must be turned on to play video
Read more about browser support
The browser is not supported
SVT does not support playback in your browser.
We therefore recommend that you switch to another browser.
Read more about browser support
Swedish racing star Marcus Ericsson.
Photo: TT