Madison Keys wins her quarterfinals match against Karolína Muchová at the Berlin Tennis Open.
She defeated Muchová 6-4, 7-5 on Thursday, June 18, and will face Jessica Pegula next.
## What happened in the match?
Madison Keys broke her opponent's serve in the ninth game of the second set to take a 5-4 lead.
But she was unable to serve out the match, allowing Karolína Muchová to break back and level the set at 5-5.
Madison Keys regrouped swiftly, broke her opponent again, and closed out the match at the second attempt.
## Why it matters for Madison Keys
Madison Keys described her relationship with grass as “toxic” after the match, despite having a decent record on the surface.
She has won around 71.95% of her grass-court matches and has three grass titles to her name.
Madison Keys also has a ranking of No. 28 in the world.
## What comes next for Madison Keys?
Madison Keys will face her good friend Jessica Pegula for a place in the semifinals on Friday, June 19.
The players are tied at 2-2 in their head-to-head record, with Pegula being a former champion in Berlin.
Madison Keys opened her campaign in Berlin with a promising 7-6(3), 6-1 win against Wang Xinyu.
She was satisfied with her performance, serving really well and making it competitive on those return games.
Madison Keys will look to continue her good form on grass and advance to the semifinals.
She has a good chance of winning, given her past record on the surface.
And with her current ranking, she will be looking to make a deep run in the tournament.
But she will have to be at her best to beat Jessica Pegula, who is a tough opponent.
So Madison Keys will need to bring her A-game if she wants to win.
Madison Keys has a lot of experience playing on grass, having won titles in Eastbourne and Birmingham.
She has also had success at Wimbledon, reaching the quarterfinals twice.
Madison Keys will be looking to draw on that experience as she faces Jessica Pegula.
The match will be a tough one, but Madison Keys has the skills and the talent to win.