Four players made new strides as the summer season began in July, but only one will be crowned your Breakthrough of the Month.
Have a look at the nominees and cast your vote before Thursday at 11:59 p.m. ET! The winner will be announced Friday, August 10.
July 2018 WTA Breakthrough of the Month Finalists
Olga Danilovic: Teenaged Serbian sensation Olga Danilovic captured her first WTA title at the inaugural edition of the Moscow River Cup, as she bested fellow teen Anastasia Potapova in a dramatic, three-set affair in the final.
A lucky loser into the Moscow draw, the 17-year-old made the most of her second chance over the course of the week, defeating Bogota champion Anna Karolina Schmiedlova, former Top 20 player Kaia Kanepi and top seed Julia Goerges for her first-ever Top 10 win in the semifinals.
Her form continued as she knocked off No.5 seed and Brisbane runner-up Aliaksandra Sasnovich to book her spot in the final.
"There are so many emotions. It’s an amazing achievement for both of us, to play a WTA final when we are 17 years old, to be there on the court, competing with my friend," Danilovic told wtatennis.com after the win.
"After I lost the qualies, I was disappointed, but I lost to a good girl, so I was just thunking, ‘Okay, next tournament, maybe it’s going to be mine.’ But when I got that chance, I really took it. I really felt like, ‘Okay, this is a chance, I got in, I should take this chance.’ And I took it, and I’m so proud of that."
Wang Qiang: Wang Qiang was another first-time champion in the month of July, as she triumphed on home soil to win the Jiangxi Open in Nanchang.
The No.2 seed in Nanchang, Wang dropped just one set en route to her first WTA title, winning as compatriot Zheng Saisai retired in the final.
"I am really happy to win the match. My fans are great motivation for me to keep fighting. I just calmed down and enjoyed the match," she said. "I always believe that practice makes perfect."
Anastasia Potapova: Though she came off second-best to good friend Danilovic in Moscow, Potapova also had an impressive week as a wildcard on home soil.
The former junior Wimbledon champion came from a set down in two of her victories en route to the final, rallying to defeat both Valentyna Ivakhnenko and Tamara Zidansek in the quarterfinals and semifnals, respectively.
Though Potapova finished as the singles runner-up, she authored a big effort to capture her first career doubles title alongside former World No.2 Vera Zvonareva.
Due to rain, they were forced to play both their semifinals and final after the singles championship match, and the teenager raised the doubles trophy with Zvonareva after an emphatic 6-0, 6-3 win over Alexandra Panova and Galina Voskoboeva.
Maria Sakkari: Greece's No.1 made her first WTA singles final at the Mubadala Silicon Valley Classic, knocking off a pair of seeded players along the way.
Sakkari defeated No.8 seed Timea Babos with the loss of just one game in the second round, before coming from behind in both sets to defeat No.3 seed Venus Williams in the quarterfinals for the biggest win of her career to date.
She authored an even more impressive comeback in the semifinals, where she rallied from 6-3, 4-1 down against American Danielle Collins to seal her spot in her first-ever championship match.
Who had the Breakthrough of the Month in July? Vote now!