The five-year deal covers 45 markets in Europe giving Eurosport and discovery+ US Open rights to screen every point from every court.
The Pole will attempt a title defense in Doha this week
The Spaniard's path to the final includes several notable clay-courters
The American has won 34 tiebreaks than Roger Federer.
Stefanos Tsitsipas is top seed and Andrey Rublev is seeded second for the ABN AMRO Open.
"There are only a few days to go before a decision is made and what remains for us to do is hope for a positive outcome," Novak Djokovic's brother told Serbian agency Tanjug.
The 2021 US Open champion joins fellow Flushing Meadows champions Iga Swiatek, Bianca Andreescu and Sloane Stephens in field.
