Chris O'Connell has enjoyed one of the best wins of his late-blooming career, knocking out American star Frances Tiafoe to reach the third round in the Miami Open.
The 29-year-old Sydneysider proved rock solid again in Saturday's second-round clash at the rain-hit Masters 1000 event in Florida, defeating the popular home hope and 21st seed 7-5 7-6 (7-5).
With the home crowd noisily getting behind the former top-tenner Tiafoe, O'Connell held firm in two close-fought sets before prevailing in an hour and 55 minutes.