Rachel Heck of Memphis, Tennessee, has not finished outside of the top seven in a tournament since June of 2016. The 15-year-old is a two-time Rolex Junior All-American and member of the 2016 ACDS Junior All-Star Team. The Stanford University verbal commit is No. 3 in the AJGA Rankings, and has earned three tournament titles including the 2017 Rolex Girls Junior Championship, 2015 AJGA Huntsville Junior and the 2016 Bubba Conlee National Junior.
| Rank | Event | R1 | R2 | R3 | R4 | Total |
| 1 | Rolex Girls Junior Championship | 67 | 69 | 72 | 70 | 278 |
| 2 | Thunderbird International Junior | 68 | 73 | 69 | 210 | |
| T2 | ANA Junior Inspiration | 73 | 75 | 69 | 217 | |
| T4 | 2017 Kathy Whitworth Invitational | 73 | 72 | 145 | ||
| T5 | ANNIKA Invitational | 69 | 70 | 75 | 214 | |
| T3 | 2016 Polo Golf Junior Classic | 77 | 69 | 146 | ||
| T7 | The PING Invitational | 73 | 69 | 78 | 220 | |
| T2 | AJGA Girls Championship | 70 | 72 | 69 | 211 | |
| 1 | 2016 Bubba Conlee National Junior | 66 | 71 | 35 | 172 | |
| T3 | Rolex Tournament of Champions | 74 | 74 | 69 | 72 | 289 |
| 18 | KPMG Stacy Lewis Junior All-Star Invitational | 75 | 78 | 80 | 233 |