Alex Barrena and Zdenek Kolar meet in the quarterfinal at Tulln on Friday. Zdenek Kolar is 3-7 across recent matches. Alex Barrena has won 6 of the last 10.

On paper it's close: comparable ratings, comparable serve numbers, small margins everywhere. A tiebreak or two would surprise nobody, with Kolar fractionally more likely to land the big points.