Ricky Castillo of Yorba Linda, California
Class of 2019
Rolex AJGA Ranking: 3
The three-time Rolex Junior All-American won the 2018 PING Heather Farr Classic and made the round of 16 at the 2018 U.S. Junior Amateur Championship. The University of Florida verbal commit finished the season ranked No. 3 in the Rolex AJGA Rankings, and he was a member of two Wyndham Cup West Teams in 2016 and 2017.
| Rank | Event | R1 | R2 | R3 | R4 | Total |
| 4 | The PING Invitational | 71 | 71 | 76 | 218 | |
| T11 | The Junior PLAYERS Championship | 75 | 72 | 69 | 216 | |
| T23 | 2018 Boys Junior PGA Championship | 72 | 72 | 70 | 76 | 290 |
| T9 | 2018 U.S. Junior Amateur Championship | 67 | 68 | 135 | ||
| T10 | Thunderbird International Junior | 68 | 75 | 69 | 212 | |
| T3 | 2018 Junior Invitational at Sage Valley Golf Club | 72 | 70 | 76 | 218 | |
| 1 | PING Heather Farr Classic | 64 | 69 | 68 | 201 | |
| 3 | Rolex Tournament of Champions | 72 | 65 | 66 | 77 | 280 |