The 19-year-old won his first Grand Slam match in January.
A hotly debated record streak is why Mark Ein is having the best week.
Should the Kastles really be compared with the Lakers? Well, Michael Wilbon is friends with Mark Ein.
The Kastles of World Team Tennis have been explicitly comparing their winning streak to those of "major" pro sports teams for months.
FLOTUS brought some good vibes with her to the Wharf.
The Kastles will hit the court on Monday in some custom Nikes.
Sure, the Miami Heat have won many games in a row, but as ESPN pointed out, they aren't in Kastles territory yet.
Hey, let's get a collection of random D.C. sports fans and executives together for a photo, someone evidently said.