Jannik Sinner will partner with Katerina Siniakova in the U.S. Open mixed doubles while Emma Raducanu and Carlos Alcaraz face ...

Jannik Sinner has a new partner for the U.S. Open mixed doubles tournament, where Carlos Alcaraz and Emma Raducanu will face the No. 1-seeded team in the first round.

Carlos Alcaraz and Emma Raducanu drew the top seeds in the US Open mixed doubles first round as the draw set up a blockbuster clash.