Madison Keys battles past Tereza Valentova to reach Adelaide International quarterfinals
![From shaky start to dominant finish—Keys shows why she’s a Grand Slam champion. {photo credit: WTA Instagram]](https://sportsbytes.com.ph/wp-content/uploads/2026/01/Screenshot_531-400x200.png)
Madison Keys overcame early serving struggles to defeat Tereza Valentova 6-4, 6-1 and advance to the quarterfinals of the Adelaide International.