The Swiss maestro has been out of tennis action due to injury since his quarter-final appearance at Wimbledon 2021.
Italy created a record on Sunday after a goalless draw against Switzerland in a 2022.
On winning the Olympic gold, something her idols Hingis and Federer failed to do, she said, "I think I accomplished it for them."
The Swiss showed immense character to push the former European champions the distance despite going a man down in the second half.
Switzerland will face Spain at Saint Petersburg in the euro 2020 quarterfinal fixture of Friday.
Switzerland beat France 5-4 on penalties after a six goal thrilling regular time at Bucharest to book a place in the quarter-final of Euro 2020.
France managed to win Group F despite winning only one match and drawing two, while Switzerland finished third in Group A.
The Swiss are not yet guaranteed a place in the round of 16 as they sit third in the group with four points.
Italy beat Switzerland 3-0 to qualify for the last 16 of Euro 2020 courtesy of a brace from Manuel Locatelli and a late strike from Ciro Immobile.
In form Italy take on Switzerland on Wednesday at Rome in the Euro 2020 Group A fixture.