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Riccardo Balzerani vs. Giovanni Fonio - head to head matches
| 24.07.22 | q 1 | Giovanni Fonio | Riccardo Balzerani | 2-6, 6-3, 6-4 | match details |  San Benedetto | Clay |
| 12.07.21 | qual. | Giovanni Fonio | Riccardo Balzerani | 6-3, 6-3 | match details | Todi Challenger | Clay |
| 11.06.18 | 1st round | Giovanni Fonio | Riccardo Balzerani | 7-61, 6-4 | match details | Italy F14 | Clay |
Riccardo Balzerani form & Giovanni Fonio form
Riccardo Balzerani - last matches
| M25 Pozzuoli - Hard | ||||
| 14.09.23 2nd round | vs. Leonardo Rossi | 3-6, 2-6 |  | match details |
| 12.09.23 1st round | vs. Federico Arnaboldi | 6-3, 6-4 |  | match details |
| M15 Forli - Clay | ||||
| 29.08.23 1st round | vs. Andrea Picchione | 3-6, 3-6 | | match details |
| M15 Pescara - Clay | ||||
| 08.08.23 1st round | vs. Carlo Alberto Caniato | 7-65, 2-6, 3-6 | | match details |
| M25 Bolzano - Clay | ||||
| 31.07.23 1st round | vs. Gian Matias Di Natale | 3-6, 6-3, 5-7 | | match details |
| M15 Perugia - Clay | ||||
| 28.07.23 1/4 | vs. Fausto Tabacco | 6-2, 1-6, 1-6 | | match details |
| 27.07.23 2nd round | vs. Gabriele Maria Noce | 3-6, 6-4, 7-5 | | match details |
| 26.07.23 1st round | vs. Filippo Romano | 4-6, 6-3, 6-1 | | match details |
| San Benedetto - Clay | ||||
| 09.07.23 q 1 | vs. Carlos Sanchez Jover | 6-76, 1-6 | | match details |
 M15 Casablanca - Clay | ||||
| 22.06.23 2nd round | vs. Manas Manoj Dhamne | 4-6, 2-6 | | match details |
| 21.06.23 1st round | vs. Mateo Barreiros Reyes | 6-2, 4-6, 6-4 | | match details |
| M15 Chieti - Clay | ||||
| 16.06.23 2nd round | vs. Filippo Speziali | 6-76, 6-71 | | match details |
| 14.06.23 1st round | vs. Andrea Rita | 6-3, 6-3 | | match details |
| M25 Rome - Clay | ||||
| 31.05.23 2nd round | vs. Remy Bertola | 6-1, 6-73, 6-74 | | match details |
| 30.05.23 1st round | vs. Daniele Capecchi | 6-1, 6-76, 6-4 | | match details |
 M15 Pazardzhik - Clay | ||||
| 28.05.23 fin | vs. Matyas Fuele | 4-6, 6-75 | | match details |
| 27.05.23 1/2 | vs. Corentin Denolly | 6-1, 6-4 | | match details |
| 26.05.23 1/4 | vs. Sebastian Gima | 7-64, 6-2 | | match details |
| 25.05.23 2nd round | vs. Gabriele Pennaforti | 6-1, 6-72, 6-1 | | match details |
| 24.05.23 1st round | vs. Iliyan Radulov | 6-4, 6-1 | | match details |
| M15 Pazardzhik - Clay | ||||
| 19.05.23 2nd round | vs. Marco Miceli | 1-6, 2-6 | | match details |
| 18.05.23 1st round | vs. Vadym Konovchuk | 6-1, 6-0 | | match details |
| Roseto Degli - Clay | ||||
| 18.04.23 qual. | vs. Sumit Nagal | 3-6, 3-6 | | match details |
| 16.04.23 q 1 | vs. Khumoun Sultanov | 6-3, 6-3 | | match details |
 Zadar Challenger - Clay | ||||
| 19.03.23 q 1 | vs. Carlos Sanchez Jover | 3-6, 5-7 | | match details |
| M15 Rovinj - Clay | ||||
| 16.03.23 2nd round | vs. Sergi Perez Contri | 1-6, 2-6 | | match details |
| 15.03.23 1st round | vs. Dusan Obradovic | 6-3, 7-5 | | match details |
| M15 Porec - Clay | ||||
| 11.03.23 1/4 | vs. Damien Wenger | 6-2, 6-73, 6-3 | | match details |
| 11.03.23 1/2 | vs. Mirko Martinez | 6-76, 4-6 | | match details |
| 09.03.23 2nd round | vs. Davide Galoppini | 7-64, 6-2 | | match details |
Giovanni Fonio - last matches
| Turin Challenger - Clay | ||||
| 14.05.25 1st round | vs. Bu Yunchaokete | 6-75, 4-6 | | match details |
| 13.05.25 qual. | vs. Carlos Sanchez Jover | 6-4, 6-4 | | match details |
| 12.05.25 q 1 | vs. Giovanni Oradini | 6-4, 6-4 | | match details |
| Francavilla Challenger - Clay | ||||
| 06.05.25 1st round | vs. Benoit Paire | 5-7, 6-1, 3-6 | | match details |
| 05.05.25 qual. | vs. Alex Marti Pujolras | 6-75, 7-5, 6-2 | | match details |
| 04.05.25 q 1 | vs. Gabriele Maria Noce | 6-3, 6-4 | | match details |
 Estoril Challenger - Clay | ||||
| 01.05.25 2nd round | vs. Alex Michelsen | 4-6, 6-73 | | match details |
| 30.04.25 1st round | vs. Yannick Hanfmann | 6-3, 6-4 | | match details |
| 29.04.25 qual. | vs. Denis Yevseyev | 6-3, 6-3 | | match details |
| 28.04.25 q 1 | vs. Ivan Gakhov | 6-3, 6-4 | | match details |
| Rome Challenger - Clay | ||||
| 21.04.25 qual. | vs. Lukas Pokorny | 6-74, 3-6 | | match details |
| 20.04.25 q 1 | vs. Marko Topo | 6-3, 7-5 | | match details |
| M25 Santa - Clay | ||||
| 19.04.25 1/2 | vs. Arthur Gea | 4-6, 2-6 | | match details |
| 19.04.25 1/4 | vs. Gauthier Onclin | 6-1, 6-0 | | match details |
| 18.04.25 2nd round | vs. Manas Manoj Dhamne | 6-4, 6-4 | | match details |
| 14.04.25 1st round | vs. Julian Messina | 6-1, 6-2 | | match details |
 Madrid Challenger - Clay | ||||
| 06.04.25 q 1 | vs. Lorenzo Giustino | 3-6, 4-6 | | match details |
| Naples Challenger - Clay | ||||
| 25.03.25 1st round | vs. Dalibor Svrcina | 7-62, 2-6, 5-7 | | match details |
| 24.03.25 qual. | vs. Jacopo Berrettini | 6-3, 1-6, 7-66 | | match details |
| 23.03.25 q 1 | vs. Max Houkes | 1-6, 7-61, 6-2 | | match details |
 Hersonissos 2 - Hard | ||||
| 13.03.25 2nd round | vs. Dimitar Kuzmanov | 6-2, 3-6, 4-6 | | match details |
| 11.03.25 1st round | vs. Rudolf Molleker | 6-4, 4-0, Rudolf Molleker - retired | | match details |
 Lugano Challenger - I. hard | ||||
| 24.02.25 qual. | vs. Dino Prizmic | 5-7, 6-3, 2-6 | | match details |
| 23.02.25 q 1 | vs. Marat Sharipov | 6-2, 6-4 | | match details |
| M25 Trento - I. hard | ||||
| 21.02.25 1/4 | vs. Dan Added | 6-4, 3-6, 4-6 | | match details |
| 20.02.25 2nd round | vs. Luca Parenti | 6-3, 7-64 | | match details |
| 18.02.25 1st round | vs. Guillaume Dalmasso | 6-4, 3-6, 7-65 | | match details |
| Tenerife 2 - Hard | ||||
| 11.02.25 1st round | vs. Dominik Koepfer | 3-6, 6-4, 2-6 | | match details |
| 10.02.25 qual. | vs. Clement Tabur | 6-4, 1-0, Clement Tabur - retired | | match details |
| 09.02.25 q 1 | vs. Arthur Reymond | 6-1, 3-6, 6-2 | | match details |