Jackson Rivera of Rancho Santa Fe, California, is playing in his first Wyndham Cup. He qualified into the event for the West Team after a string of impressive finishes. He had top finishes at the 2017 Justin Rose Junior All-Star Invitational at Reynolds Lake Oconee and the PING Heather Farr Classic in 2018. Rivera is verbally committed to the University of Southern California and is currently No. 50 in the Rolex AJGA Rankings.
| Rank | Event | R1 | R2 | R3 | R4 | Total |
| T26 | Thunderbird International Junior | 77 | 72 | 70 | 219 | |
| 7 | PING Heather Farr Classic | 73 | 67 | 71 | 211 | |
| 2 | Justin Rose Junior All-Star Invitational at Reynolds Lake Oconee | 72 | 69 | 68 | 209 | |
| T50 | The Junior PLAYERS Championship presented by TaylorMade-adidas Golf | 75 | 77 | 75 | 227 | |
| 35 | Polo Golf Junior Classic | 75 | 76 | 73 | 80 | 304 |