The Danish World No 3 ended 2017 with the biggest title of her career in Singapore and returned a day after thrashing Madison Brengle in her season opener to hit 21 winners against eight unforced errors in the 53-minute win over Martic.
Summary of sports events and persons who made news on Wednesday
IMAGES from Day 5 of the 2020 US Open in New York on Friday.
Images from Day 1 of the Australian Open in Melbourne on Monday.
US Open champion Martin Kaymer sank an eight-foot birdie putt at the first extra hole to beat Bubba Watson in the four-man PGA Grand Slam of Golf in Bermuda on Wednesday.