Australia's Under-21 team in three matches against England and the senior Australian team ahead of their international series. Farrell took five wickets at 17.00 at an economy rate of 4.20 and scored 33 runs at 33.00. In the first match against England, she took 3/22 in a 52-run win, and in the second match she scored an unbeaten 30 as the Australian Under-21s were dismissed for 174 to cede a 75-run loss. At the start of the 2008–09 season, Farrell was also left out of the home series against India. For the new WNCL season Farrell moved to Western Australia, and her batting improved markedly after her transfer. In her first match for her new state, Farrell hit an unbeaten 29 to steer them to a four-wicket win over South Australia. In the penultimate match of the season, she hit an unbeaten 59 in a tied match against Queensland. Farrell ended the season with 172 runs at 34.40 from eight matches, an average superior to many specialist batsmen. Her bowling remained steady, never taking more than two wickets in a match. She ended the WNCL with nine wickets at 27.33 at an economy rate of 3.48. Western Australia won only two of their eight matches and did not make the final. In two T20 matches, Farrell scored 21 in her only innings and took one wicket at 40.00 at an economy rate of 8.00. 2009 World Cup and World Twenty20 Farrell was recalled to the Australian team for the Rose Bowl series in New Zealand in February and the 2009 World Cup held in New South Wales and Canberra the following month. Farrell played in the first and third matches against New Zealand, taking 3/26 in the first match as the hosts scraped home by two wickets. She was expensive in the next match, taking 1/35 from five overs in a heavy defeat, ending the series with 20 runs at 20.00 and four wickets at 15.25 and an economy rate of 4.69. In two warm-up matches ahead of the World Cup, Farrell had mixed results. She made 15 not out but was hit for 37 runs in six wicketless overs against England. In the next match against Sri Lanka, she scored 23 and took 1/12 in a comfortable 230-run win. Farrell was retained for the opening match against New Zealand, taking 1/20. She did not bat as Australia failed in