Shanghai Masters champion Daniil Medvedev's unique style of play has not been seen before on the ATP Tour, according to Alexander Zverev.
Heather Watson was defeated in straight sets by Rebecca Peterson in the final of the Tianjin Open on Sunday.
Jelena Ostapenko forced Coco Gauff into a deciding set but could not stop the brilliant 15-year-old from claiming Linz Open glory.
Alexander Zverev was unable to halt the progress of Daniil Medvedev in the final of the Shanghai Masters.
After beating Andrea Petkovic in straight sets at the Linz Open, reaching her first WTA Tour final, Coco Gauff hailed her rapid rise.
Coco Gauff was beaten in qualifying at the start of this week in Linz, but could claim her maiden WTA Tour singles title on Sunday.
After easing past Matteo Berrettini in the last four, Alexander Zverev will meet Daniil Medvedev in the final of the Shanghai Masters.
Heather Watson has made her first WTA Tour final since March 2016, where she will meet in-form Rebecca Peterson.
Fifteen-year-old Coco Gauff achieved a number of firsts with her win over Kiki Bertens at the Linz Open.
With his comeback "surprisingly smooth" to this point, Andy Murray has hope he can get back to the top of men's tennis.
Still just 15 years old, Coco Gauff set her eyes on the best Halloween costume on the WTA Tour after claiming a reported $43,000 in Linz.
Switzerland's Olympics squad for Tokyo 2020 will include Roger Federer, with the 38-year-old confirming his plan to play at the Games.
Karolina Muchova ended Svetlana Kuznetsova's hopes early at the Kremlin Cup, while Viktoria Kuzmova was made to work in Luxembourg.
Lorenzo Sonego was no match for Jo-Wilfried Tsonga in Antwerp, while Janko Tipsarevic made an announcement over his future in Stockholm.
Former world number one Andy Murray recorded a straight-sets win for just the second time since August at the European Open in Antwerp.