Erakovic dominated the first set 6-1 with four aces before the third-seeded Lisicki of Germany pulled out of the match at the Racquet Club of Memphis, citing illness.
The 24-year-old Croatia native, who lives in New Zealand, was appearing in her third career final, including last year's event in Memphis.
Her other championship match came in Quebec City in 2011.
Costly malfunction causes beer flood at Boston-area brewery
Wisconsin business offering 'therapeutic cuddling' forced to close