In 2022, Gigante won his first ITF title in Sharm El Sheikh.

In 2023, he won his first Challenger title in Tenerife as a lucky loser making him only the 16th player to accomplish this feat.

[2] In July, he made his top 200 debut following his second career Challenger final in Milan.

145, at the 2024 Grand Prix Hassan II he entered the main draw after qualifying but retired in the second set of the match against the defending champion and eventual runner-up Roberto Carballés Baena.

[5] Gigante made his Grand Slam tournament debut at the Australian Open after qualifying into the main draw.