OSHKOSH - In the Fox Valley, voters are deciding who will be facing off in November to replace a longtime congressman.
Republicans have four candidates to pick from today.
It's been a while since 6th district voters have had a wide open race. Republican Tom Petri is retiring after holding the seat for 35 years.
Throughout the summer, the four Republicans have been debating why they deserve their party's nomination in the 6th Congressional District race.
With the exception of two years, the seat has been in Republican control since 1939.
State Sen. Glenn Grothman of Campbellsport is one of the four in the race. He has served in the state senate the past ten years, representing the 20th district.
Also looking to go to Washington from the state senate, is State Sen. Joe Leibham of Sheboygan. He has represented the state's 9th senate district for 12 years.
From the state assembly, State Rep. Duey Stroebel of Saukville is in the race. He was elected to the assembly three years ago.
Tom Denow, originally from Oshkosh, is the only candidate in the race who does not currently hold political office. He most recently worked at TDC Power LLC as a consultant and trainer.
The winner of the race will face Democrat Mark Harris in November. He is the county executive for Winnebago County.
Polls close at 8 p.m.