Sverigeettan, which is ranked number 99 in the world, is ready for another quarter-final on the men's professional tour after a victory against the Austrian Alexander Erler in Kitzbühel.
Home player Erler, ranked 337th, received a wildcard to the tournament and did not have much to oppose Ymer, who won in two straight sets: 6-2, 6-3.
The quarter-finals will be a Nordic meeting when the Norwegian star Casper Ruud, ranked 14th in the world, won over the much lower ranked Spaniard Mario Vilella Martinez with 7-5, 5-7, 6-4.
ARCHIVE: Big bang by Mikael Ymer in the French Open (June 4):
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Mikael Ymer took a landslide victory against French world player Gael Monfils in the French Open.
Photo: TT