Learning to peak at the right times is skill that takes years to learn in tennis. Garbiñe Muguruza has already shown she’s light years ahead of schedule. The 23-year-old Spaniard earned her reputation as a big stage player last season when she made her first major final at Wimbledon — on her worst surface, no less — and then proceeded to roll through the Asian swing to win her biggest title at the China Open, and back it up with an undefeated run through group play at the BNP Paribas WTA Finals Singapore presented by SC Global, to make the semifinals in her tournament debut.

“I think the important tournaments are the ones you’ve got to play well, the ones that really count, the ones that really take you to the top level,” Muguruza said. “Last year I’m like, ‘Well, I did a final in Grand Slam; I won the China Open.’ But they’re important, so that means a lot of points and a lot to the top level.”

This season she did one better.

Muguruza’s dominating two weeks in Paris was the definition of “peak”. After overcoming a few nerves in the first set of her first match, she would reel off 14 consecutive sets, including a 7-5, 6-4 win over then-No.1 Serena Williams in the final, to win her first major title at Roland Garros. This was the type of run you dream about as a kid, tennis’ equivalent of the 10-year-old hitting imaginary buzzer-beating three-point shots at the playground.

After hitting pitch-perfect lob winner on Championship Point, not even Muguruza could believe it. “Did I win Roland Garros?” she said, recounting her unbelievable shot on match point. “What happened? When [the umpire] said, ‘Game, set, and match’, I was like, ‘No way. I won.’ It was amazing.”

Muguruza’s Parisian fortnight launched her to a career-high No.2 and cemented her ability to beat anyone on any given day. The affable Muguruza will be the first to admit her season had its ups and downs. Outside of Roland Garros she struggled with her consistency throughout the season — Paris was her first and only final — though the signs were there during the clay season that something special was in the works. Two weeks before the French Open, Muguruza earned her best result at the time, making the semifinals of the Internazionali BNL d’Italia in Rome, where she lost to Madison Keys.

“I just have a very aggressive game. I go for my shots with no regrets, even if I play to the fence,” Muguruza said.

It’s a strategy that can win Slams, and yes, the plural is intentional. One need to look no further than two-time Wimbledon champion Petra Kvitova, whose game is also built on a high-risk, high-reward mentality. But Muguruza’s game is also built for all surfaces, fast and slow alike. Her CV has proved it, having won the French Open, made the final at Wimbledon, and making the semifinals in Singapore last year. The slower courts, such as the one laid down at the Singapore Indoor Stadium, may suit her the best, as she has the time she needs to set up her powerful groundstrokes as well as attack the net (Muguruza made the doubles final in Singapore last year with Carla Suárez Navarro).

That is what makes Muguruza an exciting young player. She may have become the youngest player since Victoria Azarenka to win a major title, but she’s still a work in progress. Her potential for growth and improvement is vast, which means she’s a massive threat every time she takes the court.

“I feel nothing can be sad this year after winning a Grand Slam,” Muguruza said last month at the Wuhan Open. “No matter what happens for me, it is an incredible year already.”

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