If there are nerves for Jule Niemeier in her first main draw appearance here at The Championships, the 22-year-old German isn’t showing them.

Fearlessness, in fact, might be the more accurate description after Niemeier’s straight sets upset of No.2 seed Anett Kontaveit in the second round on Wednesday.

With bold and aggressive tennis, Niemeier claimed a 6-4, 6-0 victory over her vastly more experienced opponent in less than an hour.

It sets up a third round showing with Ukrainian world No.101 Lesia Tsurenko as Niemeier navigates this stage of a Grand Slam for the first time.

“I’m speechless to be honest,” said the delighted German, after celebrating her defining victory with a giant fist-pump.

“It’s one of the biggest wins of my career so far. Winning the match here at Wimbledon on Court No1. [It] is such an amazing feeling.”

Equally amazing was the manner in which the cool Niemeier trivialised the 94 ranking places that separated her from world No.3 Kontaveit.

Having just missed Qualifying for Wimbledon last year, the German only made her Grand Slam debut at Roland-Garros last month.

But from the outset she was clearly comfortable on the big stage.

She set up her first break point with a stunning forehand winner and coolly converted it to a 3-2 advantage.

With Kontaveit unable to gain any edge in Niemeier’s big serving, the German claimed seven straight games to close out the match.

“It was one of the best matches I played,” said Niemeier, who finished the 58-minute encounter with 13 winners and an equal number of errors but didn’t face a single break point.

She took particular pride in how she’d managed the many unknowns, having never faced a top 10 opponent before the second round encounter.

“I was pretty nervous before the match I have to say,” she admitted.

“Because I didn’t know the court, I couldn’t warm up on the court. I’m happy with how I could handle the situation today.”

Kontaveit was admittedly drastically short of match play, after sitting out all grass court tournaments leading into Wimbledon as she continues her recovery from the effects of COVID-19.

The rust was evident in the Estonian’s 24 unforced errors, with several of Kontaveit’s four double faults coming at the most inopportune moments.

But after victory over China’s Xiyu Wang on Monday, Niemeier capitalised superbly against her big-name opponent and is warming up for even greater success on the hallowed Wimbledon turf.

“I love to play on grass. It fits my game. I love to play slice, dropshots, going to the net,” said the German, noting how those weapons are complemented by her powerful serve.

“If I'm serving well, it's tough to break,” she added.

“I was serving well today, so I think it was pretty tough for her to return it, because sometimes I think you cannot see where I'm serving, which is good, which is positive.”

And while she takes pleasure in returning to her favourite surface, Niemeier is equally excited to remain close to the event, and an idol, who sparked her professional tennis dreams as a child.

“My favourite player is Rafa [Nadal] so of course I’m trying to watch every match,” she said of the off-court experiences she’s been able to enjoy at Wimbledon.

“Also here two days ago I think I watched his practice. So, yes, it's just nice to watch him play.”

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