Armand Duplantis won the season premiere Mondo Classic at home in Uppsala on 6.10 last week.
The 23-year-old followed that up with another victory when he won an indoor competition in Berlin.
When Kurtis Marschall and Ernest John Obiena failed to clear 5.91, Armand Duplantis secured the victory.
He raised the bar to 6.06, passed in the first attempt and set a new track record.
The competition is ongoing. The text is updated.