Republican Derek Merrin projected to win Ohio's 9th District primary, will face Democratic Rep. Marcy Kaptur in November

Derek Merrin won the Republican primary in Ohio's 9th Congressional District on Tuesday, CBS News projected, setting up a rematch against longtime Democratic Rep. Marcy Kaptur in what's expected to be one of the most contested House races of the year.

Republican Derek Merrin projected to win Ohio's 9th District primary, will face Democratic Rep. Marcy Kaptur in November

TL;DR

  • Derek Merrin won the Republican primary in Ohio's 9th Congressional District.
  • He will face incumbent Democratic Rep. Marcy Kaptur in a rematch.
  • The district was redrawn in October 2025 to favor Republicans.
  • The Cook Political Report rates the district as a toss-up.
  • Merrin previously lost to Kaptur in 2024 by a narrow margin.
  • Merrin beat four other Republican candidates in the primary.