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Great Britain held a 16 point advantage heading into the eighth period but Ayad scored 14 points in his match with Laurence Halsted to narrow the gap but the deficit was too much to overcome as Davis closed out the 45-35 victory for Britain.
China led for the majority of the match, taking a 12 point lead into the ninth, but they encountered a scare when Brazil's Perrier mounted a 13 point effort against Chen. Chen scored three points which proved to be enough to give China the 43-41 victory.
Fresh off winning a silver medal in the men's individual foil, Alexander Massialas was the first to take the piste for Team USA against Tarek Ayad of Egypt. Massialas set up his teammates with a 5-3 lead.
Gerek Meinhardt struggled in the second as Egypt's Alaaeldin Abouelkassem outscored the 26-year-old 7-2. Miles Chamley-Watson put up four points in the third but the Americans still trailed by 4.
Meinhardt redeemed himself against Ayad, who was visibly frustrated throughout the bout, scoring six points in the third to put the U.S. within two points of tying.
Massialas tied the bout three times in the fifth and re-gained a one point lead for the U.S. Chamley-Watson created distance as he put up 10 points combined in the sixth and eighth.
The U.S. went on to win 45-37.
Brazil's Ghislain Perrier got Brazil off to a surprising 5-3 start over the Italians, besting veteran Andrea Cassara in the first period. But the tides quickly shifted with Daniele Garrozzo, the men's individual foil gold medalist, scoring seven points to give the Italians a 10-7 lead they never relinquished.
The Italians dominated the host country 45-27.
France set the tone early as Jeremy Cadot scored 5 consecutive points to open the bout while blanking China's Haiwei Chen.
China trailed most of the match until Jianfei Ma outscored Cadot 8-4 in the eighth to put China ahead 40-39. Erwan Le Pechoux would secure France's victory in the final period, only allowing Chen to score two points, winning 45-42.
With neither team trailing the other by more than five points, they fought a close bout that ended with Russia taking a 45-43 victory despite Great Britain's James-Andrew Davis's 6-5 win in his bout with Alexey Cheremisinov in the final period.