Ross Chastain turned in a breakthrough performance in Sunday's NASCAR Cup Series Playoff race, prevailing at Kansas Speedway.

Who won the NASCAR Cup Series race at Kansas? Ross Chastain is the winner, plus full NASCAR Cup results, running order, leaderboard at Kansas Speedway.

Ross Chastain turned in a breakthrough performance in Sunday’s NASCAR Cup Series Playoff race, denying postseason contender ...

Ross Chastain took the lead from Martin Truex Jr. on a late restart and won the NASCAR Cup Series race at Kansas Speedway on ...

The retiring Truex, who was eliminated last week at Bristol, finished third in what was his last race at Kansas.

The retiring Truex, who was eliminated last week at Bristol, finished third in what was his last race at Kansas.

38. (29) Josh Berry, Ford, accident, 0, 1. Average Speed of Race Winner: 123.294 mph. Time of Race: 3 hours, 14 minutes, 54 seconds. Margin of Victory: .388 seconds. Caution Flags: 10 for 47 laps.

Ross Chastain opened the Round of 12 NASCAR Cup Series playoffs Sunday by racing away from William Byron in a 20-lap dash to ...

William Byron has assumed the point lead after a runner-up finish in Sunday's Hollywood Casino 400 at Kansas Speedway. Here ...

All the information you need to get ready for the Hollywood Casino 400 NASCAR Cup Series playoff race, Sunday at Kansas Speedway.

The second round of the NASCAR Cup Series playoffs begins Sunday at Kansas Speedway. Follow along for news, updates and highlights from the race.