The American also parted ways with his longtime coach Jenson Brooksby.
The star-studded mixed doubles teams will compete for $200,000 in winner-take-all prize money.
Katy Volynets and Varvara Gracheva also surged up the rankings.
The Danish teenager is continuing his rise up the rankings.
The 42-year-old superstar shares a behind-the-scenes look at her ongoing rehab from a hamstring tear.
The Russian has known -- and respected -- Medvedev since their formative years.
Recalling Stefanos Tsitsipas dissing Andrey Rublev as a player with "few tools", Daniil Medvedev struck back with his wish for the Greek.
