Dinara Safina needed only 56 minutes to eliminate Italy’s Flavia Pennetta 6-2, 6-0 on Saturday. She’ll play Serbia’s Jelena Jankovic for the championship of the $2 million Western & Southern Financial Group Women’s Open.After two weeks of grueling — and winning — tennis, Pennetta didn’t feel so good. She had blisters on her feet, a sore right ankle wrapped in tape, and aches all over from so many matches back-to-back — 11 in 13 days. She tried to take the loss stoically.Safina improved to 7-0 career against Pennetta — she’s lost only two sets to the Italian — and extended an impressive week. She ended Kim Clijsters’ comeback week in the quarterfinals with a dominating forehand, then was sharp with all her shots against Pennetta.World number one Dinara Safina brought an abrupt end to Flavia Pennetta’s impressive run of form by thrashing her 6-2 6-0 in the semi-finals of the Western & Southern Financial Group Women’s Open in Cincinnati on Saturday.In Sunday’s final, Russia’s Safina will take on fifth-seeded Serbian Jankovic, who emerged from a scrappy match with a 7-6 (7/2), 0-6, 7-6 (8/6) victory over fourth-seeded Russian Elena Dementieva.