He's just the third man this century to reach the Top 5 as a teenager, after Rafael Nadal and Novak Djokovic.

The 27-year-old got some revenge on Saturday, too, having lost to the world No. 2 in the opening round of Wimbledon last month.

The American looks to avenge her Wimbledon defeat Saturday when she battles top seed Anett Kontaveit in the Hamburg final.

The Estonian recently won the pair's opening round at Wimbledon.

Bernarda Pera also stayed hot by maintaining her sensational set streak with another emphatic win Wednesday.

Hindered by a left hip flare-up, the top seed relied on supreme mental strength to prevail in three sets in Paris.

Opening Wednesday's action on Grandstand, Danielle Collins had no problem advancing past Kristina Mladenovic, 6-3, 6-3. Later, Marcos Giron won an all-American battle over Tommy Paul, 7-6 (5), 6-4.

The 2016 Australian Open winner lost the first set to the 66th-ranked American, 6-0, and was never able to recover.

In the day's final Center Court match, Sloane Stephens lost to Leylah Fernandez in straight sets.

Her comeback win over Bernarda Pera at the Top Seed Open in Lexington was a blast from a virus-free past.