| Challenger Marbella | 03/30 13:00 | 28 | [97] Marco Cecchinato v Guido Andreozzi [198] | 3-6,3-6 | |
| Challenger Marbella | 03/29 09:00 | 27 | [165] Simone Bolelli v Guido Andreozzi [198] | 6-3,0-6,3-6 | |
| Challenger Marbella | 03/28 09:00 | 26 | [198] Guido Andreozzi v Ernests Gulbis [190] | 7-5,6-1 | |
| Challenger Marbella | 03/27 09:00 | 25 | [198] Guido Andreozzi v Lukas Rosol [241] | 6-3,6-4 | |
| Challenger Marbella | 03/27 08:00 | 25 | [198] Guido Andreozzi v Carlos Taberner [183] | Cancelled | |
| Challenger Santiago | 03/08 22:10 | 27 | Guido Andreozzi v Marco Cecchinato | 1-6,2-6 | |
| Challenger Santiago | 03/07 18:20 | 26 | Guido Andreozzi v Pedja Krstin | 6-3,6-4 | |
| Challenger Santiago | 03/06 14:00 | 25 | Andrej Martin v Guido Andreozzi | 4-6,0-6 | |
| Challenger Punta del Este | 03/03 23:00 | 29 | Simone Bolelli v Guido Andreozzi | 6-3,4-6,3-6 | |
| Challenger Punta del Este | 03/02 21:00 | 28 | Guido Andreozzi v Dmitry Popko | 6-3,6-7,6-4 | |
| Challenger Punta del Este | 03/01 18:30 | 27 | Christian Garin v Guido Andreozzi | 0-6,4-6 | |
| Challenger Punta del Este | 02/28 18:30 | 26 | Guido Andreozzi v Andrej Martin | 6-4,6-4 | |
| Challenger Punta del Este | 02/26 23:45 | 25 | Guido Andreozzi v Joao Monteiro | 2-6,7-6,6-4 | |
| ATP Buenos Aires Qual | 02/10 17:15 | 26 | Marco Cecchinato v Guido Andreozzi | 6-4,6-3 | |
| Australian Open Qual | 01/09 23:00 | 44 | Guido Andreozzi v Dustin Brown | 3-6,6-3,3-6 | |
| Challenger Playford | 01/02 00:30 | 25 | Tobias Kamke v Guido Andreozzi | 6-4,6-4 | |
| Challenger Montevideo | 11/07 19:50 | 25 | [150] Facundo Bagnis v Guido Andreozzi [192] | 7-5,5-7,6-1 | |
| Challenger Guayaquil | 11/02 20:00 | 27 | [127] Gastao Elias v Guido Andreozzi [180] | 6-3,6-3 | |
| Challenger Guayaquil | 11/01 18:00 | 26 | [495] Gonzalo Lama v Guido Andreozzi [180] | 4-6,2-6 | |
| Challenger Guayaquil | 10/31 17:00 | 25 | Guido Andreozzi v Roberto Carballes Baena | 3-6,7-5,6-2 | |
| Challenger Sibiu | 09/19 08:00 | 25 | Alexandre Muller v Guido Andreozzi | Cancelled | |
| Challenger Szczecin | 09/15 17:00 | 27 | [30] Richard Gasquet v Guido Andreozzi [161] | 4-6,7-6,6-4 | |
| Challenger Szczecin | 09/14 16:45 | 26 | [161] Guido Andreozzi v Inigo Cervantes [215] | 6-3,6-3 | |
| Challenger Szczecin | 09/12 12:30 | 25 | [161] Guido Andreozzi v Karol Drzewiecki [486] | 7-6,6-2 | |
| Challenger Genova | 09/06 11:55 | 25 | [150] Guido Andreozzi v Stefanos Tsitsipas [161] | 3-6,4-6 | |
| US Open Qual | 08/25 15:00 | 46 | [102] Mikhail Kukushkin v Guido Andreozzi [150] | 6-1,4-6,7-5 | |
| US Open Qual | 08/24 15:00 | 45 | [475] Bradley Klahn v Guido Andreozzi [150] | 4-6,7-6,4-6 | |
| US Open Qual | 08/22 19:55 | 44 | [150] Guido Andreozzi v Stefan Kozlov [141] | 6-4,6-1 | |
| Challenger Biella | 08/01 11:15 | 25 | [291] Andrea Arnaboldi v Guido Andreozzi [139] | Retired | |
| Challenger Cortina | 07/28 11:05 | 27 | [139] Guido Andreozzi v Marcel Granollers [106] | 3-6,1-6 |
Wikipedia - Guido Andreozzi
Guido Andreozzi (ur. 5 sierpnia 1991 w Buenos Aires) – argentyński tenisista.