Strong performances during the early rounds of competition had seen Rossi advance to the men’s singles, doubles and mixed doubles finals.
He clinched victory in the men’s singles by overcoming New Caledonia’s Yohan De Geoffroy convincingly 21-11, 21-11.
Rossi was joined on the podium by his compatriot Louis Beaubois, who battled to an 18-21, 22-20, 21-17 win over Quentin Bernaix in an all-Tahiti bronze medal match.
The men’s doubles saw Rossi team up with Rauhiri Goguenheim to impressive effect, as they beat Bernaix and Tarepa Bourgery 21-16, 21-13.
Ronan Ho-Yagues and Morgan Paitio completed the podium places behind the teams from Tahiti.
The New Caledonian pairing, the tournament top seeds, secured a straight games 21-12, 21-18 win over Fiji’s Ahmad Ali and Martin Feussner.
Rossi’s third title of the day came with Coralie Bouttin, as the pairing overcame Burty Molia and Karyn Gibson of Fiji in the mixed doubles.
The duo emerged as 21-12, 21-12 winners.
Paitio won a second bronze medal of the day as he and Johanna Kou beat New Caledonia team-mates Yohan De Geoffroy and Cecilia Moussy 21-15, 21-10 to seal a podium spot.
New Caledonia’s Dgeniva Matauli celebrated victory in the women’s singles competition after backing up her semi-final win over top seed Danielle Whiteside.
Matauli eased to an impressive 21-7, 21-17 win over Bouttin in the final, while Fiji’s Whiteside beat Kou 21-16, 19-21, 21-19 in the bronze medal match.
Kou won the women’s doubles title for the third time at the Pacific Games, pairing up with Matauli to beat Fiji’s Karyn Gibson and Andra Whiteside 21-17, 21-13 for gold.
Bronze was earned by Bouttin and Tau, as the Tahiti duo overcame Fiji’s Whiteside and Alissa Dean.
anuatu proved to be the Pacific powerhouse in table tennis, ttheir team adding four golds to the women’s team title earned earlier this week.
Anolyn Lulu and Priscilla Tommy beat Sally Yee and Grace Yee of Fiji 3-0 in the battle for women’s doubles gold, while New Caledonia's Fleur Dumortier and Lorie La won bronze.
The men’s doubles saw Yoshua Shing and Ham Lulu beat Papua New Guiena's Geoffrey Loi and Gasika Sepa Samoi 3-1, as Tahiti's Ocean Belrose and Kenji Hotan claimed bronze.
Shing returned later in the day to win the men’s singles final 3-1 against Tahiti’s Kenji Hotan, whose compatriot Ocean Melrose won the bronze medal.
Tommy won Vanuatu’s fourth gold by beating Yee of Fiji in the women’s final, while Solenn Danger of New Caledonia took the bronze.
Four Para table tennis titles were also on offer, with Tuvalu celebrating their first gold of the Games when Ioane Hawaii beat Tahiti's Mateau Tehei in the men's seated singles.
In the women's seated singles Merewalesi Roden won an all-Fiji final against Akanisi Latu, while New Caledonia’s Avelino Monteiro and Tahiti’s Heiava Lamaud won the men’s and women’s ambulant singles respectively.
New Caledonia swept the gold medals at the end of the four days of golf competition.
Emilie Ricaud won the women’s individual title on the Royal Samoa Golf course, with team-mate Ariane Klotz and Olive Tapu of Samoa completing the podium.
Dylan Benoit and Guillaume Castagne led a New Caledonian one-two in the men’s event.
Samoa's Van Wright won the bronze medal.
In the team golf, New Caledonia won both the men's and women's with Samoa earning two silvers.
Fiji won bronze in the men's team, while Tahiti came third in the women's event.