"I definitely will be at the Chase Championships," King said.
If Hingis and Davenport reach the final of the Chase Championships, it will be the 22nd time the two have met.
Together, they looked out toward the court, where their daughters were competing as a doubles team at the Chase Championships.
She later withdrew from the season-ending Chase Championships with a back injury.
Now Hingis's last chance for restitution is the Chase Championships, one of the rare main events that she has never won.
The two also won the tournament in Oakland and the year-end Chase Championships together.
This year, qualifying for the Chase Championships punctuated that effort.
Mary Pierce, the seventh-seeded player at the Chase Championships, had her magnum force.
From 1996 to 2000, it was called the Chase Championships.
This year, she entered the Chase Championships having won 9 of her last 10 matches, lifting her ranking to No. 19.