Matthew Pate shot a 45 for nine holes at Birnam Wood to take the first-round lead in the 11-12 age division of the Santa Barbara Junior Golf Tour Championship.
Pate will take a nine-shot lead into the second round on Monday at Montecito Country Club.
In the Girls 14-over Division, Vanesa Villa shot an 88 and has a commmanding lead.
Tanner Guerra shot a 77 and holds a three-shot advantage over Jonathan Collins, Erik Thorbecke and Grant Amerson in the Boys 16-over Division.
Michael Nam leads Nicholas Nielsen by one shot (83-84) in the Boys 14-15 group.
Christopher Wong fired an 87 to take the lead in the 12-13 bracket.
Birnam Wood Championship #1:
16-Over
1. Tanner Guerra 77
T2. Jonathan Collins 80
T2. Erik Thorbecke 80
T2. Grant Amerson 80
5. Alec Constantinides 81
6. Nick DeHeras 82
7. Spencer Henry 85
T8. Dylan Wright 86
T8. Ethan Habecker 87
10. Ed Bero 96
14-15
1. Michael Nam 83
2. Nicholas Nielsen 84
3. Ian Craddock 93
4. Layne Frausto 95
5. Connor Doke 97
6. Chris Gulden 99
12-13
1. Christopher Wong 87
2. Travis Fristoe 91
T3. Jacob Johnson 92
T3. Bennett Reichard 92
5. Peter LaMantia 96
6. Andrew Rice 99
7. Ian Dominquez 109
8. Fabio Rodriguez 111
9. Crenshaw Heinsohn 124
Girls 14 and Over
1. Vanesa Villa 88
2. Rebbecca Beveridge 104
11-12
Matthew Pate 45
Owen Lambe 54
Mason Lender 60
Christian Heslin 62
Dario Bucy 62
Matthew Hansom 62
Derek True 62
Mallory Sestak 68
James Ochsner 96