Gross is ranked No. 12 in the American Junior Golf Association. Gross finished second at the 2022 AJGA Simplify Boys Championship. He recently captured the 2021 AJGA Junior All-Star Invitational, and he finished runner-up at the 2021 TaylorMade TP5 Junior All-Star. Gross also notched top ten finishes at the 2021 KPMG Stacy Lewis Junior All-Star Invitational (fifth) and the 2021 Wyndham Invitational (eighth).