2019–20 season

Conti/Macii debuted at the 2019 IceLab International Cup, where they placed fifth. They went on to compete at the 2019 CS Warsaw Cup and the 2019 CS Golden Spin of Zagreb, finishing fifteenth and thirteenth, respectively.^[8]

At the 2020 Italian Championships, Conti/Macii won the bronze medal. They then finished the season with a sixth-place finish at the 2020 Bavarian Open.^[8]

2020–21 season

Conti/Macii won their second consecutive bronze medal at the 2021 Italian Championships.^[8] They went on to compete at the 2021 International Challenge Cup but they ultimately withdrew after the short program.^[9]

2021–22 season

Conti/Macii began their season with a fifth-place finish at the 2021 CS Lombardia Trophy. They went on to place tenth at the 2021 CS Nebelhorn Trophy as well as win silver at the 2021 Cup of Nice.^[8]

Conti/Macii debuted Grand Prix series at the 2021 Gran Premio d'Italia, where they finished seventh. They then competed at the 2021 CS Warsaw Cup, where they finished seventh.^[8]

At the 2022 Italian Championships, Conti/Macii won their third bronze medal.^[8] Selected to compete at the 2022 European Championships in Tallinn, Estonia, Conti/Macii placed tenth in the short program and sixth in the free skate, placing seventh overall.^[8]

2022–23 season

For the new season, the pair upgraded their twist lift to a triple for the first time.^[10] Conti/Macii started their season two appearances on the Challenger circuit, winning a gold medal at the 2022 CS Lombardia Trophy and placing fourth at the 2022 CS Nebelhorn Trophy. They also won gold at the 2022 Tayside Trophy.^[8]

Given two assignments on the Grand Prix, Conti/Macii won the bronze medal at 2022 Skate Canada International, their first Grand Prix medal, which he called "like a dream." They finished second in the free skate, and came within 0.30 points of silver medalists Chan/Howe.^[11] At their second assignment, the 2022 MK John Wilson Trophy, Conti/Macci won the silver medal despite having to abort their final lift in the free skate. He said afterward "the last lift angers us, because we can do it so easily," while adding they were "happy with our result."^[12] These placements ultimately earned them a berth at the 2022–23 Grand Prix Final, held on home ice in Turin.^[13] At the Final, Conti/Macii placed fourth in the short program, 2.24 points back of Canadians Stellato-Dudek/Deschamps in third.^[13] With a new personal best of 119.72 in the free skate they rose to third overall, taking the bronze medal over the Canadians by less than three points. Macci remarked afterward that "let's say we're still somehow outsiders who are getting almost too many results. But we're extremely happy about this result that we didn't expect it at all."^[10]

Shortly after the Final, the duo won their first national title at the 2023 Italian Championships.^[8] At the 2023 European Championships in Espoo, Finland, Conti/Macii won the short program and placed second in the free skate, ultimately winning the gold medal. They became the first Italian pair team to ever win a European title.^[14][15] Conti/Macii then went on to compete at the 2023 International Challenge Cup, where they won the gold medal.^[8]

At the 2023 World Championships in Saitama, Japan, Conti/Macii placed third in both the short program and free skate, ultimately winning the bronze medal. Conti/Macii became the first Italian pair team to ever medal at a World Championships, which she said made them "very proud of what we were able to achieve in a patriotic kind of way."^[16] Conti/Macii then joined Team Italy at the 2023 World Team Trophy, where they placed fourth in the short program and third in the free skate. Team Italy finished fourth overall.^[17][18]

2023–24 season

Conti/Macii began the season by winning the gold medal at the 2023 CS Lombardia Trophy.^[8] On the Grand Prix, they entered the 2023 Grand Prix de France as the title favourites, but placed narrowly second in the short program after Conti stepped out of their throw landing.^[19] In the free skate, Conti had another throw stepout, as well as one on her jump sequence attempt. The team placed second in that segment as well, finishing with the silver medal, 5.21 points behind gold medalists Pereira/Michaud of Canada. Conti said afterward that they were "so happy with our free skating," stating "we are a top couple and we have to stay here. We want to improve our program and will be ready for our next Grand Prix. We know we can do much better."^[20] At their second event, the 2023 Grand Prix of Espoo, they repeated the short program throw error from France and came second again in the segment. They were third in the free skate after Macii fell on a jump, but remained second overall.^[21]

Competing at the 2023–24 Grand Prix Final in Beijing, Conti/Macii skated a clean short program to place third in the segment. They won the free skate, but finished second overall, 0.55 points behind gold medalists Hase/Volodin of Germany. Conti declared of the result that they were "so happy. Finally. Our season starts right now! The two months before were preparation, now we have arrived!"^[22]

Conti suffered from a bad flu in the days before the Italian championships, and as a result the team withdrew.^[23] They next appeared at the 2024 European Championships, where struggles in both programs saw them come sixth.^[24] Conti/Macii next won gold at the International Challenge Cup for the second consecutive year.^[8]

Concluding the season at the 2024 World Championships in Montreal, Conti/Macii came third in the short program with a clean skate and a season's best score of 72.88. They were 0.65 points back of Japan's Miura/Kihara in second, and 0.78 ahead of Hase/Volodin in fourth. Conti effused that "finally, we had a really good short program!" They struggled with numerous errors in the free skate, coming sixth in that segment and dropping to sixth place overall. Conti called it "disappointing, but it's a competition."^[25]