Last year's runner-up Garretson escaped a first-round scare by the Wynot (Neb.) Expos and held on for 5-4 win on Thursday at Cadwell Park.
After Wynot started the game with one in the top of the first inning, Garretson answered with two runs via a Nick Bruning two-run home run, the first of the tournament, in the bottom half of the inning.
Garretson tacked on three more runs in bottom of the fourth inning to take a 5-1 lead, but the Expos responded with three runs in the top of the fifth inning to make it a one-run game. Both teams failed to score the rest of the way.
Former Dakota Wesleyan University pitcher Patrick Whetham earned the win, giving up four earned runs on 13 hits with 10 strikeouts and two walks in nine innings pitched.
Zach Lukes had a triple and two RBIs, while Brady Bonte added an RBI.
Jackson Sudbeck took the loss for Wynot, allowing five earned runs on 10 hits with eight strikeouts in nine innings pitched.
Lee Heimes had four hits and two RBIs for the Expos.
Garretson (20-3) plays Lake Norden in the second round at 7:30 p.m. on Sunday.
W 100 003 000 - 4 13 2
G 200 300 00x - 5 10 0
WP: Patrick Whetham. LP: Jackson Sudbeck. Doubles: W: Cody Stratman, Lee Heimes; Triples: G: Zach Lukes; Home runs: G: Nick Bruning
Lake Norden 4, Miller/Wessington 3
Lake Norden scored three runs in the fourth inning and held on late for a 4-3 opening round win at the Class B state amateur baseball tournament over Miller/Wessington in a Thursday matinee at Cadwell Park.
Mick Tulson had two hits and scored twice, while Matt Stevenson added two hits. Josh Nelson had a hit and two stolen bases. Jordon Johnson had a complete-game victory, allowing 11 hits, three runs (two earned) and striking out eight.
For the Outlaws, Cody Cotton went the distance in the loss, allowing eight hits and four runs. Casey Schlechter had two hits, including a triple, while David Jensen, Josh Koeck and Jay Winter all had two hits. Jensen, Josh Koeck and Matt Randall each had RBIs for Miller/Wessington.
Lake Norden advances to Sunday's final game against Garretson at 7:30 p.m. Miller's season ends at 8-14.
M/W 000 000 111 - 3 11 2
LN 000 300 01x - 4 8 1
WP: Jordon Johnson. LP: Cody Cotton. Doubles: M/W: Jay Winter. LN: Johnson, Mick Tulson.
Triples: M/W: Casey Schlechter.