Okoboji will look to clinch a runner-up finish and a home playoff game with a win over Forest City this week.
The Pioneers (5-2, 3-1) are set to face the Indians (4-3, 3-1) Friday, Oct. 18 in Forest City.
Okoboji leads the series 2-1 since 2021, including a 41-19 win last season.
Forest City topped the Pioneers 42-6 in 2022 and the Pioneers defeated the Indians 23-0 in 2021.