Eisenhauer won on the first sudden death playoff hole from Leeton's Janelle Sulivan.

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The pair were tied on 169 shots after 36 holes at the Howlong Golf Resort.

The duo played the par-four 10^th with the home club player quickly gaining the advantage.

"I hit a screaming drive really, I just thought I've got to go for it," Eisenhauer said.

Eisenhauer fired her approach shot pin high, around five metres from the hole, and lagged the putt close for a par and one-shot win.

It was Eisenhauer's first Riverina title after finishing previously as a bridesmaid.

"Given where I've come from, it's amazing," she said.

"I had a battle with cancer (head-neck) and shouldn't have been here really."

Eisenhauer said the club's members were terrific during her cancer battle, while she also had enormous praise for course superintendent Paul Irvine.