Australian Lindsey Wright will lead the field into the final round of the Australian Open at Kingston Heath on Sunday. Wright fired her third straight one-under-par 72 on Saturday to sit atop the leaderboard. The 28-year-old holds a one-shot advantage on defending champion Karrie Webb with 18 holes to play at the testing Melbourne course. Wright, from New South Wales, was a model of consistency while Webb mixed stunning with shocking and bogeyed the final hole to close an even-par round of 73. Webb is one of four players within two shots of the leader, but Wright will feel the pressure from the former world No.1 more than any other in the chasing pack. Webb looked ready to charge when she birdied the third hole, but a triple bogey followed and threatened to derail her title defence. After finding the sand with her approach, Webb bladed the ensuing bunker shot into an unplayable position on the opposite side of the green and despite her best efforts, couldn&apost escape with less than a seven. The Queenslander regrouped, posted three more birdies and did not drop another shot until the final hole where she found the infamous sand once more. Overnight leader Kristie Smith found the going tough in sunny but breezy conditions. The 19-year old had back-to-back bogeys on the second and third holes and a triple bogey on the par-three sixth. Smith, an amateur, is one-under-par and still in with a chance on the final day. Of the internationals, Ji-Yai Shin is just one stroke back alongside Webb after a one-over 74. The Korean was solid on the front nine, even taking the lead for a brief period before sliding on the back of some missed opportunities on the greens. Young Englishwoman Melissa Reid posted one of the rounds of the day with a four-under 69. The 20-year-old from Derby had three consecutive birdies on each nine and closed one-under the card.