Karl Vilips of (Australia) Wesley Chapel, Florida, is playing in his third Wyndham Cup. He qualified into the event for the East Team after a string of impressive finishes. He won the Polo Golf Junior Classic in 2017 and won the Wyndham Invitational presented by BB&T in 2018. He also had top finishes at the Western Junior Championship and the Thunderbird International Junior. Vilips is verbally committed to Stanford and is currently No. 1 in the Rolex AJGA Rankings.
| Rank | Event | R1 | R2 | R3 | R4 | Total |
| 2 | 2018 Western Junior Championship | 66 | 68 | 134 | ||
| 1 | Wyndham Invitational presented by BB&T | 67 | 68 | 62 | 73 | 270 |
| 3 | Thunderbird International Junior | 71 | 68 | 67 | 206 | |
| T37 | 2018 Junior Invitational at Sage Valley Golf Club | 77 | 80 | 77 | 234 | |
| 2 | Bishops Gate Golf Academy Boys Junior Championship | 73 | 70 | 72 | 215 | |
| T20 | Sergio and Angela Garcia Foundation Junior Championship presented by Callaway Golf | 78 | 71 | 76 | 225 | |
| T7 | 2017 Junior Orange Bowl International Golf Championship | 71 | 70 | 69 | 69 | 279 |
| T29 | The PING Invitational | 76 | 74 | 78 | 228 | |
| T8 | The Junior PLAYERS Championship presented by TaylorMade-adidas Golf | 73 | 73 | 69 | 215 | |
| 1 | Polo Golf Junior Classic | 68 | 67 | 72 | 73 | 280 |