The first round of the NASCAR Cup Series In-Season Challenge has concluded and after the results on the road course at Sonoma Raceway, there are sure to be quite a few brackets busted.

The original field of 32 is down to 16 with the number one seed, Tyler Reddick out after finishing the race in last place with some mechanical issues.

Here’s a look at how it all played out and the new pairings for round two at Chicagoland this weekend…

Alex Bowman beat Tyler Reddick
Austin Cindric beat Brad Keselowski

Alex Bowman and Austin Cindric will pair off

Todd Gilliland beat Daniel Suarez
Carson Hocevar beat Zane Smith

Todd Gilliland and Carson Hocevar will pair off

Chase Briscoe beat AJ Allmendinger
Ty Gibbs beat Austin Dillon

Chase Briscoe and Ty Gibbs will pair off

Michael McDowell beat Bubba Wallace
Chase Elliott beat Noah Gragson

Michael McDowell and Chase Elliott will pair off

Denny Hamlin beat Ty Dillon
Erik Jones beat Joey Logano

Denny Hamlin and Erik Jones will pair off

Chris Buescher beat John Hunter Nemechek
Christopher Bell beat Ross Chastain

Chris Buescher and Christopher Bell will pair off

William Byron beat Ricky Stenhouse Jr
Kyle Larson beat Riley Herbst

William Byron and Kyle Larson will pair off

Shane van Gisbergen beat Ryan Preece
Ryan Blaney beat Josh Berry

Shane van Gisbergen and Ryan Blaney will pair off

At the end of the five week challenge, the winner will earn $1 million.  Ty Gibbs is the defending champion.