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Renzo Olivo vs. Alessandro Giannessi - head to head matches
| 19.07.21 | qual. | Alessandro Giannessi | Renzo Olivo | 7-65, 6-1 | match details |  Umag | Clay |
| 21.07.19 | fin | Renzo Olivo | Alessandro Giannessi | 5-7, 7-64, 6-4 | match details |  San Benedetto | Clay |
Renzo Olivo form & Alessandro Giannessi form
Renzo Olivo - last matches
 M25 Orlando - Clay | ||||
| 25.05.25 fin | vs. Adhithya Ganesan | 3-6, 6-4, 6-3 |  | match details |
| 24.05.25 1/2 | vs. Andres Andrade | 6-1, 6-3 | | match details |
| 23.05.25 1/4 | vs. Martin Borisiouk | 6-1, 6-74, 6-2 | | match details |
| 22.05.25 2nd round | vs. William Grant | 7-5, 6-0 | | match details |
| 21.05.25 1st round | vs. Dan Martin | 5-7, 7-5, 6-2 | | match details |
 Bogota Challenger - Clay | ||||
| 13.05.25 1st round | vs. Patrick Kypson | 0-6, 6-71 |  | match details |
 Santos Challenger - Clay | ||||
| 09.05.25 1/4 | vs. Alvaro Guillen Meza | 3-6, 3-6 | | match details |
| 07.05.25 2nd round | vs. Juan Carlos Prado Angelo | 5-7, 7-5, 6-1 | | match details |
| 05.05.25 1st round | vs. Blaise Bicknell | 3-6, 6-3, 6-3 | | match details |
| Porto Alegre - Clay | ||||
| 28.04.25 1st round | vs. Daniel Dutra Da Silva | 2-6, 3-6 | | match details |
 San Miguel - Clay | ||||
| 24.04.25 2nd round | vs. Facundo Bagnis | 5-7, 7-5, 3-6 | | match details |
| 22.04.25 1st round | vs. Hernan Casanova | 6-4, 1-6, 7-5 | | match details |
| Campinas Challenger - Clay | ||||
| 31.03.25 1st round | vs. Joao Lucas Reis Da Silva | 3-6, 2-6 | | match details |
 Concepcion Challenger - Clay | ||||
| 26.03.25 2nd round | vs. Guido Ivan Justo | 5-7, 4-6 | | match details |
| 25.03.25 1st round | vs. Nicolas Villalon | 6-3, 6-3 | | match details |
 Merida Challenger - Clay | ||||
| 21.03.25 1/4 | vs. Hugo Dellien | 2-6, 0-6 | | match details |
| 19.03.25 2nd round | vs. Bernard Tomic | 6-4, 3-6, 7-64 | | match details |
| 17.03.25 1st round | vs. Max Wiskandt | 6-4, 3-6, 6-3 | | match details |
| Santiago Challenger - Clay | ||||
| 12.03.25 2nd round | vs. Matheus Pucinelli De Almeida | 7-62, 2-6, 1-6 | | match details |
| 11.03.25 1st round | vs. Paulo Saraiva Dos Santos | 6-3, 3-6, 7-65 | | match details |
| Cordoba Challenger - Clay | ||||
| 06.03.25 2nd round | vs. Thiago Agustin Tirante | 6-75, 0-3, - Renzo Olivo - retired | | match details |
| 04.03.25 1st round | vs. Mariano Kestelboim | 6-2, 4-6, 6-0 | | match details |
 M25 Punta - Clay | ||||
| 22.02.25 1/2 | vs. Alvaro Guillen Meza | 6-2, 3-6, 2-6 | | match details |
| 21.02.25 1/4 | vs. Santiago Rodriguez Taverna | 6-3, 3-6, 6-3 | | match details |
| 20.02.25 2nd round | vs. Wilson Leite | 6-3, 6-1 | | match details |
| 18.02.25 1st round | vs. Juan Manuel La Serna | 6-1, 2-6, 6-3 | | match details |
| M25 Punta - Clay | ||||
| 15.02.25 1/4 | vs. Adolfo Daniel Vallejo | 2-6, 2-6 | | match details |
| 14.02.25 2nd round | vs. Valerio Aboian | 3-6, 6-1, 6-1 | | match details |
| 13.02.25 1st round | vs. Juan Estevez | 4-6, 6-3, 6-4 | | match details |
| Rosario Challenger - Clay | ||||
| 03.02.25 1st round | vs. Sumit Nagal | 7-5, 1-6, 0-6 | | match details |
Alessandro Giannessi - last matches
 Lisbon Challenger - Clay | ||||
| 22.09.24 q 1 | vs. Enrico Dalla Valle | 4-6, 3-6 | | match details |
 Szczecin Challenger - Clay | ||||
| 10.09.24 qual. | vs. Andrew Paulson | 2-6, 4-6 | | match details |
| 08.09.24 q 1 | vs. Dorian Juszczak | 6-4, 6-2 | | match details |
| Todi Challenger - Clay | ||||
| 11.08.24 q 1 | vs. Facundo Juarez | 2-6, 0-6 | | match details |
 San Marino - Clay | ||||
| 28.07.24 q 1 | vs. Federico Iannaccone | 6-3, 0-6, 0-3, - Alessandro Giannessi - retired | | match details |
| Modena Challenger - Clay | ||||
| 02.07.24 1st round | vs. Marco Cecchinato | 6-4, 3-5, - Alessandro Giannessi - retired | | match details |
| Milan Challenger - Clay | ||||
| 24.06.24 qual. | vs. Federico Agustin Gomez | 6-78, 4-6 | | match details |
| 23.06.24 q 1 | vs. Gerald Melzer | 7-65, 2-6, 6-3 | | match details |
| Sassuolo Challenger - Clay | ||||
| 16.06.24 q 1 | vs. Ryan Seggerman | 6-78, 2-6 | | match details |
| Perugia Challenger - Clay | ||||
| 12.06.24 2nd round | vs. Sumit Nagal | 6-0, 5-7, 6-75 | | match details |
| 11.06.24 1st round | vs. Egor Gerasimov | 6-4, 6-2 | | match details |
| 10.06.24 qual. | vs. Alexander Weis | 4-6, 7-5, 6-4 | | match details |
| 09.06.24 q 1 | vs. Pietro Genovese | 6-1, 6-1 | | match details |
| Vicenza Challenger - Clay | ||||
| 27.05.24 qual. | vs. Alibek Kachmazov | 5-7, 3-6 | | match details |
| 26.05.24 q 1 | vs. Giovanni Oradini | 6-3, 6-4 | | match details |
| M25 Reggio - Clay | ||||
| 17.05.24 2nd round | vs. Giuseppe La Vela | 6-6, - Alessandro Giannessi - retired | | match details |
| 14.05.24 1st round | vs. Massimo Giunta | 7-65, 7-5 | | match details |
| Francavilla Challenger - Clay | ||||
| 07.05.24 1st round | vs. Elmer Moller | 1-6, 0-6 | | match details |
| 06.05.24 qual. | vs. Manas Manoj Dhamne | 4-2, Manas Manoj Dhamne - retired | | match details |
| 05.05.24 q 1 | vs. Lorenzo Rottoli | 6-2, 6-4 | | match details |
 Munich - Clay | ||||
| 13.04.24 q 1 | vs. Marc-Andrea Huesler | 3-6, 0-6 | | match details |
| Sarasota Challenger - Clay | ||||
| 09.04.24 1st round | vs. Calvin Hemery | 4-6, 6-2, 2-6 | | match details |
| Mexico City - Clay | ||||
| 03.04.24 2nd round | vs. Aidan Mayo | 6-3, 6-74, 3-6 | | match details |
| 01.04.24 1st round | vs. Vasek Pospisil | 6-3, 3-6, 6-4 | | match details |
| Naples Challenger - Clay | ||||
| 25.03.24 qual. | vs. Evan Furness | 6-77, - Alessandro Giannessi - retired | | match details |
| 24.03.24 q 1 | vs. Fabrizio Karol Pio | 6-3, 6-1 | | match details |
| Zadar Challenger - Clay | ||||
| 20.03.24 2nd round | vs. Timofey Skatov | 1-6, 2-6 | | match details |
| 18.03.24 1st round | vs. Corentin Moutet | 5-7, 6-2, 6-4 | | match details |
 Szekesfehervar Challenger - Clay | ||||
| 13.03.24 2nd round | vs. Matteo Martineau | 4-6, 6-72 | | match details |
| 11.03.24 1st round | vs. Mathias Bourgue | 6-4, 1-6, 6-4 | | match details |