Emma Raducanu booked her first win since her very surprising US Open title on Tuesday.

The eighteen-year-old tennis star was too strong for Polona Hercog in the first round of the WTA tournament in Cluj-Napoca.

The third seeded Raducanu (WTA-23) needed almost 2.5 hours to beat the twelve years older Hercog (WTA-124): 4-6, 7-5 and 6-1.

Raducanu took a 4-1 lead in the first set, but then lost five games in a row.

In the second set, the British placed the decisive break in the twelfth game, after which the resistance of her Slovenian opponent was broken.

Raducanu made tennis history a month and a half ago by becoming the first qualifier ever to win the US Open.

After her winning streak in New York, she broke up with her coach Andrew Richardson and played alone in Indian Wells.

At that prestigious tournament, she lost in her first match to Belarusian Aliaksandra Sasnovich.

"Everyone needs to be a little patient with me," Raducanu told the


ahead of the WTA tournament in Cluj-Napoca


"I'm going to show my best game again, but I just need some time."

Raducanu, who has a Romanian father, will face home player Ana Bogdan in the second round of the indoor tournament in Romania.

Emma Raducanu took more than two hours to defeat Polona Hercog.

Emma Raducanu took more than two hours to defeat Polona Hercog.

Photo: Reuters