The seventh-seeded Laslo Djere has defeated Colombia’s Daniel Elahi Galan 6-4, 3-6, 6-4 in the first round of the Astana Open

Kecmanovic broke into the Top 100 as a 19-year-old when he made the BNP Paribas Open quarterfinals and is now in search of his next breakout result.

Three ATP players 21 and under all delivered opening-round wins on Thursday at the Miami Open, including Delray Beach finalist Sebastian Korda.

"He was one of the best of his generation and his experience could really help me a lot," the 21-year-old said.

The Canadian very nearly won her first WTA title since 2014, but ultimately it was Patricia Maria Tig—the third-highest-ranked mom on tour after Serena Williams and Victoria Azarenka—who came away with her first WTA title.

Representing nations steeped in tennis success, both are chasing their own paths to glory.