A career-best week for Australian rising star Olivia Gadecki has rocketed her into the top-100 for the first time despite losing her maiden WTA final at the Guadalajara Open in Mexico on Monday morning (AEST).

Gadecki will wake up following her 7-6(5), 6-4 loss to fifth seed Pole Magdalena Frech as the world No.88, a whopping 64 places better than where she started the tournament as the world No.152 – to that point a career-high.

The incredible tournament ensured that she would dethrone the 103 ranked Daria Saville as the top-ranked Australian woman.

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If she can hold onto her current world ranking until the Australian Open, it will guarantee Gadecki automatic entry onto the main draw.

The 22-year-old made it into the main draw of the Guadalajara Open through qualifying, and beat both 2017 US Open champion Sloane Stephens and world No.11 Danielle Collins in straight sets on her way to the final.

She dropped only one set in the six matches – including the two qualifiers – before meeting her match in the final.

“Magda played amazing, I thought – she played solid – and I came out playing pretty well, but didn’t feel I was striking the ball as well as these last couple of days, so I thought I had to problem-solve a little more today,” Gadecki said.

“I unfortunately didn’t do a very good job [of that], but she’s got a lot of experience, and I think that’s what got her across the line today.

“There are a lot [of positives], and I’m trying not to be too down about the loss, but I think that just comes with the job.

“There’s always going to be a loser, and there’s only one winner at the end of the week, but I’m very proud of myself and proud I’ve come this far.”

Gadecki hit 29 winners to Frech’s 11, but also gave away 34 unforced errors to the Pole’s 19.

Frech became the fourth Polish woman to win a WTA singles title this century joining Magda Linette, Agnieszka Radwanska and current world No.1 Iga Swiatek.

Frech made her first WTA singles final last July at Prague but the the Guadalajara Open was her maiden WTA 500 final and first on hard courts.

Gadecki arrived in Mexico with just two career wins over top-100 players but she recorded four this week. She also narrowly missed becoming the first qualifier to win a singles title at WTA 500 level since 2021, when Liudmila Samsonova won at Berlin.