| 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 - Prag | 05/09 08:00 | 25 | [337] Federico Gaio v Nick Hardt [221] | 2-6,4-6 | |
| Challenger - Prag | 05/04 09:00 | 26 | [79] Filip Krajinovic v Federico Gaio [326] | 6-2,4-6,6-4 | |
| Challenger - Prag | 05/02 13:50 | 25 | [326] Federico Gaio v Dimitar Kuzmanov [191] | 6-4,7-6 | |
| Challenger - Prag | 05/01 10:05 | 19 | [218] Henri Laaksonen v Federico Gaio [326] | 4-6,7-5,3-6 | |
| Challenger - Prag | 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.