VIDEO: Mertens shares what it takes to be a top athlete

Elise Mertens is one of the best WTA tennis players and now she shared what it takes to become a top tennis player and athlete.

In the 2018 season, Mertens managed to win 3 WTA titles and climb the WTA Ranking near TOP 10. The Belgian reached 12th place what is her career-high so far. Her numerous achievements include the title in doubles from 2019 US Open as she also reached no.2 in the WTA doubles ranking what is her best so far.

On her Twitter profile, Mertens shared a video of her training routine with a description saying:

"Most people only see the matches we play, competition, playing tournaments...but there are so many other things that an athlete has to do on and off-court," she continued. "Working hard, what I love to do, to be a better version than yesterday. I am happy to show a little bit, hope you guys like it."