Czech Katerina Siniakova and Britain’s Henry Patten took down the heavyweight pairing at Flushing Meadows. Aryna Sabalenka and Novak Djokovic will have to hope to win another U.S. Key points and original sources are listed below.

• Czech Katerina Siniakova and Britain’s Henry Patten took down the heavyweight pairing at Flushing Meadows.S1

• Aryna Sabalenka and Novak Djokovic will have to hope to win another U.S. Open singles title.S2

• Former world number one Novak Djokovic and four-time Grand Slam champion Aryna Sabalenka were sent tumbling out of the US Open's mixed doubles tournament on Tuesday by Czech Katerina Siniakova and Britain's Henry Patten.S3

• Novak Djokovic and Aryna Sabalenka were pushed into a much tougher match than they expected Tuesday.S4

• The US Open kicks off with a host of all-star pairings in mixed doubles action including Serena Williams teaming up with Carlos AlcarazS5