The three stars are the first to qualify for the 2021 WTA Finals, which is to be held in Guadalajara.
The Swiss tells the media that he's hoping to return in 2022, but has a long road ahead.
Hall of Famer was born in Long Beach, California.
Eight teams, including Argentina and Belgium, booked a spot in Davis Cup qualifiers for 2022
San Diego homecoming for two-time USTA Boys' 18s National champion.
Coach Craig Tyzzer called the WTA Finals move "ridiculous" and "frightening" in interview with AAP.
The Austrian thinks the World No.1 is far from finished.
