Katie Boulter upsets Coco Gauff in Australian Open warm-up event

• Briton begins season with back-to-back victories
• Johanna Konta also advances at Gippsland Trophy

Britain's Katie Boulter belied her world ranking to secure a stunning victory against American teenager Coco Gauff as the countdown to the Australian Open continues.

Boulter, ranked down at 371 after a lengthy spell out with a back injury suffered in 2019 and playing at just her second WTA event in close to two years, defeated Gauff 3-6 7-5 6-2 in the second round of the Gippsland Trophy at Melbourne Park.