The guys were shot while standing on a sidewalk in the 8600 block of South State Street, according to authorities.
On Thursday night, two individuals were shot in the Chatham neighbourhood, one of them died.
Around 6:30 p.m., a person driving a dark-colored sedan approached the two males as they stood on a sidewalk in the 8600 block of South State Street and started shooting, according to Chicago police.
An 18-year-old guy was shot in the abdomen and transferred to the University of Chicago Medical Center where doctors declared him dead, according to the police.
Police reported that a second guy, 25, who had been wounded in the left shoulder, had been transported to the same hospital and was listed in excellent condition.
No one was detained.