The four quarterfinal matches at the ATP 500 event in Vienna will take place this Friday, with five Top 10 players still in the draw, including #1 seed and defending Vienna champion Daniil Medvedev. 

It's one of the strongest ATP 500 events in recent memory, and the final rounds should be exciting and high-quality. 

Predictions for the ATP Vienna Quarterfinal Karen Khachanov vs. Daniil Medvedev Medvedev leads Khachanov 4-1.

Medvedev has a clear advantage in this matchup, with two wins already this year 

Khachanov had a very good year up until Roland Garros, but has struggled since then, despite winning in Zhuhai. 

It's unlikely he'll be able to produce the level required to turn the tide in this matchup against his countryman, who is defending his 2022 title here. 

First meeting in person Tsitsipas has struggled a lot this year after reaching the final in Australia, but he has a very good draw here and should make the semifinals. 

Gojo performed admirably at the US Open and appears poised to move up the rankings.  

His performances in Vienna have been equally impressive, with victories over Karatsev and Tommy Paul, but Tsitsipas should be too strong for him here. 

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