The British number one fumed at a line call during the final set and refused to shake the umpire’s hand after a 6-3 3-6 6-4 defeat.
"You listen to me now. You are making decisions that affect our lives. Do you understand that. Do you fully understand that?" she said.
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It was Barty's first tournament triumph of the year, the second of her career and a demonstration from the former junior Wimbledon champion that she could now even be an outside threat for the senior title at the Grand Slam.
For Konta, again the great British women's hope for Wimbledon after reaching the semi-finals last year, it should have been a delight to be back on grass after her familiar struggles on the Roland Garros clay.
Yet after fighting her way back into the match from a set down and then battling back to 4-4 from 4-1 down in the deciding set, the Australian-born Briton seemed to lose her composure.
Highlights: Barty ends Konta run
At the changeover at 5-4 down, she complained furiously to the umpire about a line call in the penultimate game.
Barty, the world No.17, stayed tough to then rack up three match points on Konta's serve, the first of which she saved before the tough little Queenslander took the spoils with a passing shot.
With additional reporting from Reuters
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