Borges is a little more consistent than his younger opponent, but Mensik's best level makes him worthy of a flier as a sizable underdog.

There will be no slowing down this weekend for either competitor.

Looking ahead at this week’s five events, including a U.S.-heavy Atlanta draw led by Ben Shelton.

Among them: qualifier Lloyd Harris, who saved a match point to deny Alex Michelsen Monday in London.

The American is expected to fall outside of the Top 60 next week as a result of Tuesday's loss.

The Canadian advanced to his first Masters 1000 final Friday after the Czech's bid was dashed by a sudden back problem.

Elsewhere, Lorenzo Sonego looks to get the better of Jannik Sinner for the first time after advancing Thursday.

One of the most popular events on the sport’s social calendar, Taste of Tennis returned to Indian Wells this week, with players like Stefanos Tsitsipas, Paula Badosa, Holger Rune and more in attendance.

Also: Jasmine Paolini cracks the Top 20, Jakub Mensik makes history and Matthew Ebden rises to the top in doubles.

The 18-year-old Czech is playing just his third tour-level event.