3 Things to Know: August 4

1

Is there a way to entice top players to enter the doubles draw at every tournament? Steve Tignor explores the topic. The Olympic games have been host to all three of tennis’ events, and an Olympic year sees a lot more top pros playing doubles. Serena and Venus Williams teamed up to dazzle at Wimbledon, with the goal of playing in Rio, while Rafael Nadal even dabbled in doubles in Indian Wells.

2

In Rio, Nadal reported that his wrist held up during a six-hour practice session, and he’s going to compete in singles, doubles and mixed at the Olympic Games in Rio. "After discussing it with my team, I have decided I will play everything that I can," he said. "We are here and practice has gone well, more or less. It's not ideal … The MRI scan was OK."

The world No. 5 has been popular in Rio, hounded for selfies even on a trip to the supermarket:

3

John Isner started his bid for a fourth consecutive Atlanta title by topping Adrian Mannarino, 6-4, 6-0. The Georgia Bulldog has reached the final five out of the past six years. He next faces fellow American Taylor Fritz, while Donald Young will take on Reilly Opelka in another all-American quarterfinal.