With Tyree in the clubhouse with a 71, Hack parred the 18th to force the playoff. Doss made eagle on No. 18 to join Tyree and Hack in the playoff.
All three birdied the par-5 18th and parred No. 1. Doss birdied No. 2 to win the championship.
With the win, Doss qualifies for next week' state tournament at Bowling Green Country Club. Her teammate, Lauren Eickholz (74) also qualified for state, but because of a scheduling conflict, can't be in Bowling Green next week. Eickholz gave her spot to Murray's Sarah McDowell (83).
Other individual qualifiers for state are Mayfield's Devany Cope (75) and Graves County's Emily Whitnell (79).
Led by Hack, Calloway County won the team title with a score of 312. They advance to next week's state tournament along with Marshall County, who finished second with a 319.
The 1st Region Boys Golf Tournament begins Tuesday at 8:30am at Murray Country Club.
Here's a complete list of scores from Monday's 1st Region Girls Golf Tournament.
Calloway County — 312*
Anna Hack: 71
Madison Contri: 77
Earlena Sheets: 75
Ellie Hack: 89
Marshall County — 319*
Bailey Tyree: 71
Cayce Hendrickson: 74
Hallie Riley: 85
Savannah Howell: 89
Paducah Tilghman — 342
Teri Doss: 71*
Lauren Eickholz: 74*
Charli Doss: 91
Nicole Miller: 106
Murray — 352
Sarah McDowell: 83*
Beth Graham: 87
Hannah Williams: 89
Alyssa Brunston: 93
Graves County — 367
Emily Whitnell: 79*
Nicole Taylor: 91
Lindsey Whitlock: 97
Elise Ballard: 100
McCracken County — 381
Sydnie Swinford: 93
Allie Hane: 93
Jessica Stephens: 95
Carley Beatty: 100
Individuals
Devany Cope (Mayfield): 75*
Madison Chaney (Trigg County): 86
Margaret Brown (Caldwell County): 91
Meghan Walker (Ballard Memorial): 92
Campbell Knoth (Christian Fellowship): 94
Darla Kenne (Hickman County): 95
Lauren Gilchrist (Crittenden County): 96
Margaret Butts (St. Mary): 98
Sydney Hicks (Carlisle County): 101
Alex Ethridge (Trigg County): 101
Amber Shelley (Christian Fellowship): 105
Maddie Orrt (Christian Fellowship): 107
Bailey Fowler (Lyon County): 107
Jennifer Rogers (Livingston Central): 112
Madison Myers (Mayfield): 112
Abby Lyell (Carlisle County): 115
Kaylin Houk (Lyon County): 118
Averee Jewell (Hickman County): 119
Alyssa Moore (Hickman County): 135
*denotes state-bound participant