| ITF M25 Bolzano | 08/01 10:00 | 27 | [485] Lilian Marmousez v Federico Gaio [440] | 7-6,7-6 | |
| ITF M25 Bolzano | 07/31 14:20 | 26 | Gabriele Bosio v Federico Gaio | 2-6,2-6 | |
| ITF M25 Bolzano | 07/30 11:35 | 25 | Gianluca Carlini v Federico Gaio | 4-6,2-6 | |
| Challenger Modena | 07/02 11:25 | 25 |
[459] Federico Arnaboldi
v
Federico Gaio [388] |
7-5,3-6,6-2 | |
| Challenger Modena | 07/01 08:00 | 19 | [388] Federico Gaio v Filippo Romano [355] | 6-1,6-7,6-2 | |
| Challenger Modena | 06/30 08:00 | 14 | Federico Gaio v Alessandro Dragoni | 6-3,6-3 | |
| Challenger Milan | 06/27 08:00 | 26 |
[408] Federico Gaio v
Ivan Gakhov
[349]
|
6-7,3-6 | |
| Challenger Milan | 06/26 08:00 | 25 |
[408] Federico Gaio v
Egor Gerasimov
[260]
|
6-3,1-6,6-3 | |
| Challenger Milan | 06/24 11:05 | 19 | [474] Joao Eduardo Schiessl v Federico Gaio [408] | 6-7,6-1,3-6 | |
| Challenger Milan | 06/23 10:50 | 14 | [387] Federico Gaio v Blake Mott [360] | 6-4,6-4 | |
| Challenger Sassuolo | 06/16 11:00 | 14 |
[424] Federico Gaio v
Blake Ellis
[377]
|
6-7,3-6 | |
| ITF M25 Grasse | 06/08 09:00 | 29 | Federico Gaio v Maxime Chazal | 6-4,4-6,2-6 |
Federico Gaio (Italian pronunciation: [fedeˈriːko ˈɡaːjo]; born 5 March 1992) is an Italian tennis coach and a former professional player. He reached his career high ATP singles ranking of World No. 124 in February 2020. He reached a career high in doubles of No. 163 on 2 November 2020, following his maiden ATP doubles final at the 2020 Rio Open partnering Salvatore Caruso.
He competed mainly on the ATP Challenger Tour and the ITF circuit. He won four Challenger and nine ITF futures singles and three Challenger and four ITF futures doubles titles.