| Challenger Como | 08/29 08:00 | 19 |
[311] Nicolas M D Alboran
v
Giovanni Fonio [403] |
7-6,4-6,6-3 | |
| Challenger Como | 08/28 08:00 | 14 | Lorenzo Ferri v Giovanni Fonio | 0-6,2-6 | |
| ITF M25 Lesa | 08/23 19:55 | 25 | Gabriele Piraino v Giovanni Fonio | 6-3,7-6 | |
| ITF M25 Muttenz | 08/18 11:15 | 26 | Jan Sebesta v Giovanni Fonio | 6-3,6-3 | |
| ITF M25 Muttenz | 08/18 07:00 | 25 | Jeffrey Von Der Schulenburg v Giovanni Fonio | 5-7,6-7 | |
| Challenger San Benedetto | 07/29 17:55 | 27 |
[435] Giovanni Fonio v
Luciano Darderi
[186]
|
4-6,1-6 | |
| Challenger San Benedetto | 07/28 19:30 | 26 | [435] Giovanni Fonio v Frederico Ferreira Silva [249] | 6-4,6-1 | |
| Challenger San Benedetto | 07/26 19:55 | 25 | [231] Alessandro Giannessi v Giovanni Fonio [435] | 3-6,4-6 | |
| Challenger San Benedetto | 07/25 11:00 | 19 | [471] Luca Potenza v Giovanni Fonio [435] | 2-6,3-6 | |
| Challenger San Benedetto | 07/24 13:10 | 14 | [488] Riccardo Balzerani v Giovanni Fonio [436] | 6-2,3-6,4-6 | |
| Challenger Trieste | 07/18 09:00 | 19 |
[345] Lukas Neumayer
v
Giovanni Fonio [436] |
3-6,7-6,6-2 | |
| Challenger Trieste | 07/17 08:00 | 14 | Alessandro Pecci v Giovanni Fonio | 7-6,2-6,6-7 | |
| Challenger Verona | 07/10 13:30 | 14 | [333] Pedro B Dias v Giovanni Fonio [441] | 7-5,1-6,7-5 | |
| Challenger Todi | 07/06 13:00 | 26 | [232] Alex Blumenberg v Giovanni Fonio [441] | 6-3,7-6 | |
| Challenger Todi | 07/05 11:05 | 25 |
[441] Giovanni Fonio v
Dmitry Popko
[195]
|
6-4,3-6,6-1 | |
| Challenger Todi | 07/04 10:20 | 19 | [333] Pedro B Dias v Giovanni Fonio [441] | 3-6,2-6 | |
| Challenger Todi | 07/03 11:25 | 14 | Mohamed Safwat v Giovanni Fonio | 0-6,1-6 | |
| Challenger Troyes | 06/27 15:00 | 19 |
[367] Clement Tabur
v
Giovanni Fonio [441] |
6-7,7-5,7-6 | |
| Challenger Troyes | 06/26 14:05 | 14 | Boris Fassbender v Giovanni Fonio | 0-6,2-6 | |
| Challenger Milan | 06/22 13:20 | 26 |
[457] Giovanni Fonio v
Alexander Shevchenko
[173]
|
3-6,6-7 | |
| Challenger Milan | 06/21 08:30 | 25 |
[457] Giovanni Fonio v
Matteo Martineau
[375]
|
6-3,7-6 | |
| Challenger Milan | 06/20 10:45 | 19 | [398] Samuel Vincent Ruggeri v Giovanni Fonio [457] | 5-7,0-6 | |
| Challenger Milan | 06/19 12:25 | 14 | Simone Roncalli v Giovanni Fonio | 6-4,2-6,5-7 | |
| Challenger Perugia | 06/06 08:00 | 19 | [450] Giovanni Fonio v Elliot Benchetrit [447] | 6-7,6-7 | |
| Challenger Perugia | 06/05 08:00 | 14 |
[282] Michael Geerts
v
Giovanni Fonio [470] |
3-6,6-3,5-7 | |
| Challenger Forli | 05/30 08:00 | 19 |
[282] Kimmer Coppejans
v
Giovanni Fonio [471] |
3-6,6-4,7-6 | |
| Challenger Forli | 05/29 08:00 | 14 |
[471] Giovanni Fonio v
Maxime Janvier
[285]
|
6-7,6-4,6-4 | |
| Challenger Vicenza | 05/25 15:00 | 26 |
[471] Giovanni Fonio v
Andrea Pellegrino
[222]
|
6-7,3-6 | |
| Challenger Vicenza | 05/24 08:30 | 25 |
[471] Giovanni Fonio v
Genaro Alberto Olivieri
[249]
|
6-3,6-4 | |
| Challenger Vicenza | 05/23 08:00 | 19 | [352] Mats Rosenkranz v Giovanni Fonio [471] | 4-6,3-6 |
Giovanni Fonio (born 7 May 1998) is an Italian tennis player.
Fonio has a career high ATP singles ranking of world No. 269 achieved on 29 January 2024. He also has a career high doubles ranking of No. 406 achieved on 15 January 2024.
Fonio has won 2 ATP Challenger doubles title: at the 2021 Antalya Challenger III with Riccardo Bonadio and at the 2023 Internazionali di Tennis del Friuli Venezia Giulia with Francesco Forti.
In May 2022, at the qualifiers at the Internazionali d’Italia he lost to Emil Ruusuvuori.
On 30 November 2023, at the Yokkaichi Challenger in Japan, he defeated the then top 100 player Yosuke Watanuki in 3 sets.