Connor Zilisch held off Shane van Gisbergen over the final laps to win Saturday’s Xfinity Series race at Sonoma Raceway. It marked the second race in a row the two finished first and second but last weekend at Chicago it was van Gisbergen defeating Zilisch.

(NEXSTAR) — Connor Zilisch edged out his teammate, Shane van Gisberge,n to take the checkered flag at Sonoma Raceway in the Pit Boss/FoodMaxx 250. In Zilisch’s third win of the season, the 18-year-old also made history by becoming the youngest ever driver to reach four career wins in the Xfinity Series.

For Zilisch, the victory was revenge for last Saturday’s Xfinity race at the Chicago Street Course, where the 36-year-old van Gisbergen ran his 18-year-old teammate wide in Turn 2 to take the lead and win a two-lap shootout for the victory.

Connor Zilisch and Shane van Gisbergen. It’s a blossoming rivalry that will likely play out on the road courses for many years to come in the NASCAR Cup Series,

See where your favorite NASCAR Cup Series driver will pit for the Toyota/Save Mart 350 at Sonoma Raceway on Sunday (3:30 p.m. ET, TNT Sports/truTV, HBO Max, PRN Radio, SiriusXM NASCAR Radio).

Before Saturday's race at Sonoma Raceway, William Sawalich's rookie campaign in the NASCAR Xfinity Series could best be described as Sisyphean.

All the information you need to get ready for the Toyota/Save Mart 350 NASCAR Cup Series race, Sunday at Sonoma Raceway.