Photos: Olympic Gold Medalists Alexander Zverev and Belinda Bencic on Day 2 the US Open

Tuesday, 31 August 2021 01:57 PM EDT

No. 11 seed Belinda Bencic celebrates her 6-4, 6-4 win ovre Arantxa Rus.

Alexander Zverev gives away balls to fans after winning a Men's Singles match at the 2021 US Open, Tuesday, Aug. 31, 2021 in Flushing, NY. (Darren Carroll/USTA)

Alexander Zverev hits balls to fans after winning his match against Sam Querrey.

Alexander Zverev hits a backhand during a Men's Singles match at the 2021 US Open, Tuesday, Aug. 31, 2021 in Flushing, NY. (Darren Carroll/USTA)

Alexander Zverev nails a backhand in his win over Sam Querrey.

Belinda Bencic hits a backhand during a Women's Singles match at the 2021 US Open, Tuesday, Aug. 31, 2021 in Flushing, NY. (Darren Carroll/USTA)

Belinda Bencic lunges for a backhand

Alexander Zverev and Sam Querrey pose for a photo ahead of their Men's Singles match at the 2021 US Open, Tuesday, Aug. 31, 2021 in Flushing, NY. (Darren Carroll/USTA)

Alexander Zverev and Sam Querrey before their first-round singles match.

Arantxa Rus and Belinda Bencic shake hands after a Women's Singles match at the 2021 US Open, Tuesday, Aug. 31, 2021 in Flushing, NY. (Garrett Ellwood/USTA)

Arantxa Rus and Belinda Bencic shake hands after the match.

Alexander Zverev hits a forehand during a Men's Singles match at the 2021 US Open, Tuesday, Aug. 31, 2021 in Flushing, NY. (Darren Carroll/USTA)

Alexander Zverev hits a running forehand in his first-round win over Sam Querrey.

Belinda Bencic smiles after winning a Women's Singles match against Arantxa Rus at the 2021 US Open, Tuesday, Aug. 31, 2021 in Flushing, NY. (Garrett Ellwood/USTA)

Belinda Bencic smiles after winning.