From Next Gen contender to Big Three heir presumptive in under 12 months, the Russian blends the best of the game's greats with unparalleled candor.

The 24-year-old has never been more consistent on the court. Barring off-court issues, which are also a part of the German's story, a Grand Slam breakthrough seems imminent.

After breaking into the Top 3, lifting his first Masters 1000 trophy and reaching his first Grand Slam final, the Greek's story is only beginning.

With five titles, an ATP Finals debut and a tremendous turnaround on hard courts, 2021 is the tip of the iceberg for Norway's greatest tennis talent.

“I really wanted to make a statement on the court,” the Aussie said earlier this year. She certainly did.

Inspired by the greats that came before her, Krejcikova became a double threat in 2021, culminating with an unforgettable Roland Garros victory.

As far as her tennis year goes, there were familiar moments of glory. Beyond the lines, the Tokyo Olympics cauldron lighter might well have accomplished something more heroic, bringing attention to life’s psychological challenges.

World No. 7 Anett Kontaveit became the highest-ranked Estonian ever after a late-season breakthrough that led to four WTA titles and an appearance at the WTA Finals.

The former No. 1 won a career-high three titles, became Spain's first WTA Finals champion, and returned to the Top 3 of the rankings.