| Challenger San Marino | 08/01 16:00 | 25 | [100] David Goffin v Federico Gaio [211] | 6-2,7-5 | |
| Challenger Verona | 07/27 09:00 | 26 | [171] Francesco Passaro v Federico Gaio [213] | 6-7,6-4,6-2 | |
| Challenger Verona | 07/26 08:00 | 25 | [213] Federico Gaio v Sumit Nagal [178] | 6-7,6-3,6-2 | |
| ATP Gstaad | 07/15 11:45 | 26 | [222] Federico Gaio v Hamad Medjedovic [156] | 3-6,6-7 | |
| Challenger Milan | 07/05 14:30 | 26 | [222] Federico Gaio v Flavio Cobolli [150] | 3-6,0-6 | |
| Challenger Milan | 07/03 13:00 | 25 | [187] Maximilian Neuchrist v Federico Gaio [222] | 2-6,4-6 | |
| Wimbledon | 06/28 10:00 | 15 | [78] Matteo Arnaldi v Federico Gaio [219] | 7-6,6-4 | |
| Wimbledon | 06/26 13:20 | 14 | [219] Federico Gaio v Daniel Cox [423] | 2-6,7-6,7-5 | |
| Challenger Parma | 06/21 11:15 | 26 | [227] Federico Gaio v Alexandre Muller [103] | 5-7,2-6 | |
| Challenger Parma | 06/19 13:30 | 25 | [227] Federico Gaio v Francesco Forti [337] | 7-6,7-6 | |
| Challenger Perugia | 06/12 19:00 | 25 | [229] Federico Gaio v Albert Ramos-Vinolas [70] | 2-6,2-6 | |
| Challenger Vicenza | 05/30 09:30 | 25 | [235] Federico Gaio v Mariano Navone [224] | 3-6,4-6 | |
| Challenger Vicenza | 05/29 10:20 | 19 | [235] Federico Gaio v Alvaro Lopez San Martin [292] | 6-4,6-4 | |
| Challenger Vicenza | 05/28 14:15 | 14 | Federico Gaio v Gabriele Bosio | 6-3,6-1 | |
| Challenger Turin | 05/20 14:10 | 29 | [337] Federico Gaio v Dominik Koepfer [149] | 7-6,2-6,0-6 | |
| Challenger Turin | 05/20 09:30 | 28 | [40] Sebastian Baez v Federico Gaio [337] | 5-7,3-6 | |
| Challenger Turin | 05/18 16:10 | 27 | [198] Andrea Collarini v Federico Gaio [337] | 4-6,3-6 | |
| Challenger Turin | 05/17 18:10 | 26 | [152] Camilo Ugo Carabelli v Federico Gaio [337] | Retired | |
| Challenger Turin | 05/16 11:20 | 25 | [337] Federico Gaio v Oscar Otte [114] | 6-4,7-5 | |
| Challenger Turin | 05/15 10:35 | 19 | Federico Gaio v Andrea Gola | 6-2,6-3 | |
| Challenger Prague | 05/09 08:00 | 25 | [337] Federico Gaio v Nick Hardt [221] | 2-6,4-6 | |
| Challenger Prague | 05/04 09:00 | 26 | [79] Filip Krajinovic v Federico Gaio [326] | 6-2,4-6,6-4 | |
| Challenger Prague | 05/02 13:50 | 25 | [326] Federico Gaio v Dimitar Kuzmanov [191] | 6-4,7-6 | |
| Challenger Prague | 05/01 10:05 | 19 | [218] Henri Laaksonen v Federico Gaio [326] | 4-6,7-5,3-6 | |
| Challenger Prague | 04/30 14:45 | 14 | [326] Federico Gaio v Denis Yevseyev [281] | 6-0,6-7,6-3 | |
| Challenger Madrid | 04/09 11:20 | 14 | [277] Federico Gaio v Javier Barranco Cosano [349] | 4-6,3-6 | |
| Challenger San Luis Potosi | 04/03 21:40 | 19 | [277] Federico Gaio v Rubin Statham [456] | 4-6,3-6 | |
| Challenger San Luis Potosi | 04/02 20:30 | 14 | [304] Federico Gaio v Michail Pervolarakis [205] | 6-1,7-6 | |
| Challenger Mexico City | 03/30 23:10 | 27 | [304] Federico Gaio v Dominik Koepfer [262] | 4-6,6-4,6-7 | |
| Challenger Mexico City | 03/30 18:30 | 26 | [47] Marc-Andrea Huesler v Federico Gaio [304] | 6-3,0-6,3-6 |
Wikipedia - Federico Gaio
Federico Gaio (Italian pronunciation: [fedeˈriːko ˈɡaːjo]; born 5 March 1992) is an Italian professional tennis player. He competes mainly on the ATP Challenger Tour and on the ITF circuit. He has won four Challenger titles and nine ITF futures singles titles. He reached his career high ATP singles ranking of World No. 124 in February 2020. In doubles, he has won three Challenger and four ITF futures doubles titles. He reached a career high in doubles of World No. 163 on 2 November 2020 after his maiden ATP doubles final at the 2020 Rio Open partnering Salvatore Caruso.