Name: Guido Ivan Justo
Country: Argentina
Birthdate: 17.12.97, 26 years
ATP ranking: 551
TOP ranking's position: 550 (08.04.24, 68 points)
Points: 68
Prize money: 38352 $
Matches total: 232
Win: 136
%: 58.62 %
Country: Argentina
Birthdate: 17.12.97, 26 years
ATP ranking: 551
TOP ranking's position: 550 (08.04.24, 68 points)
Points: 68
Prize money: 38352 $
Matches total: 232
Win: 136
%: 58.62 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2024 | 8/6 | 0/0 | 8/6 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2023 | 32/17 | 5/3 | 27/13 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2022 | 10/4 | 0/0 | 10/4 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2021 | 2/9 | 1/5 | 1/4 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2020 | 14/7 | 8/4 | 6/3 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2019 | 24/22 | 0/1 | 24/21 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2018 | 35/23 | 0/0 | 35/23 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2017 | 11/8 | 0/0 | 11/8 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 136/96 | 14/13 | 122/82 | 0/1 | 0/0 | 0/0 | 0/0 |
| perc. % | 58.62 % | 51.85 % | 59.8 % | 0 % | 0 % | 0 % | 0 % |
Guido Ivan Justo / scheduled / last
| 18.04.24 | 2nd round | Valerio Aboian | Guido Ivan Justo | match details |  San Miguel | Clay |
Guido Ivan Justo form / year 2019 / surface: Clay
Guido Ivan Justo / year 2019 / surface: Clay
| 28.11.19 | 2nd round | Federico Moreno | Guido Ivan Justo | 6-3, 6-4 |  | match details |  M15 Maldonado | Clay |
| 27.11.19 | 1st round | Guido Ivan Justo | Facundo Arias Bisso | 7-5, 6-0 |  | match details | ||
| 25.10.19 | 1/4 | Hernan Casanova | Guido Ivan Justo | 6-3, 6-3 | | match details | M15 Junin | Clay |
| 24.10.19 | 2nd round | Guido Ivan Justo | Luciano Carraro | 7-65, 2-6, 6-1 | | match details | ||
| 22.10.19 | 1st round | Guido Ivan Justo | Federico Moreno | 6-2, 6-2 | | match details | ||
| 03.10.19 | 2nd round | Thiago Agustin Tirante | Guido Ivan Justo | 6-4, 6-1 | | match details |  M15 Santiago | Clay |
| 02.10.19 | 1st round | Guido Ivan Justo | Pedro Iamachkine | 7-66, 5-7, 6-4 | | match details | ||
| 21.09.19 | 1/2 | Maximiliano Estevez | Guido Ivan Justo | 6-1, 6-4 | | match details | M15 Buenos | Clay |
| 21.09.19 | 1/4 | Guido Ivan Justo | Martin Cuevas | 7-5, 7-5 | | match details | ||
| 19.09.19 | 2nd round | Guido Ivan Justo | Arklon Huertas Del Pino | 1-6, 7-66, 6-0 | | match details | ||
| 18.09.19 | 1st round | Guido Ivan Justo | Jose Olivares | 6-0, 7-5 | | match details | ||
| 10.09.19 | 1st round | Sergio Gutierrez-Ferrol | Guido Ivan Justo | 6-1, 6-2 | | match details |  M25 Seville | Clay |
| 27.08.19 | 1st round | Aziz Ouakaa | Guido Ivan Justo | 6-2, 6-2 | | match details |  M15 Tabarka | Clay |
| 22.08.19 | 2nd round | Federico Iannaccone | Guido Ivan Justo | 6-2, 6-4 | | match details | M15 Tabarka | Clay |
| 21.08.19 | 1st round | Guido Ivan Justo | Majed Kilani | 3-6, 7-5, 7-5 | | match details | ||
| 14.08.19 | 1st round | Yanki Erel | Guido Ivan Justo | 6-2, 6-1 | | match details | M15 Tabarka | Clay |
| 30.07.19 | 1st round | Alex Martinez | Guido Ivan Justo | 6-75, 6-3, 6-4 | | match details | M15 Xativa | Clay |
| 26.07.19 | 1/4 | Alexandar Lazarov | Guido Ivan Justo | 6-3, 3-6, 6-4 | | match details |  M15 Casablanca | Clay |
| 25.07.19 | 2nd round | Guido Ivan Justo | Alexis Musialek | 6-3, 6-3 | | match details | ||
| 23.07.19 | 1st round | Guido Ivan Justo | Nicolas Alberto Arreche | 6-4, 6-4 | | match details | ||
| 16.07.19 | 1st round | Pol Martin Tiffon | Guido Ivan Justo | 6-3, 6-0 | | match details | M25 Gandia | Clay |
| 12.07.19 | 1/4 | Enrico Dalla Valle | Guido Ivan Justo | 6-2, 6-1 | | match details | M15 Tabarka | Clay |
| 11.07.19 | 2nd round | Guido Ivan Justo | Mauro De Maio | 6-2, 6-2 | | match details | ||
| 09.07.19 | 1st round | Guido Ivan Justo | Vito Dell'Elba | 7-5, 6-1 | | match details | ||
| 05.07.19 | 1/4 | Jakub Paul | Guido Ivan Justo | 6-3, 6-1 | | match details | M15 Tabarka | Clay |
| 04.07.19 | 2nd round | Guido Ivan Justo | Duje Ajdukovic | 6-3, 3-6, 6-3 | | match details | ||
| 02.07.19 | 1st round | Guido Ivan Justo | Alex Marti Pujolras | 6-2, 6-0 | | match details | ||
| 27.06.19 | 2nd round | Alexander Weis | Guido Ivan Justo | 6-2, 7-5 | | match details | M15 Tabarka | Clay |
| 26.06.19 | 1st round | Guido Ivan Justo | Alexis Musialek | 2-6, 6-4, 6-1 | | match details | ||
| 17.06.19 | qual. | Valentin Vacherot | Guido Ivan Justo | 2-6, 6-3, 10-8 | | match details | M15 Tabarka | Clay |
| 17.06.19 | q 1 | Guido Ivan Justo | Sheil Kotecha | 2-6, 6-0, 10-5 | | match details | ||
| 13.06.19 | 2nd round | Antoine Escoffier | Guido Ivan Justo | 6-2, 6-2 | | match details | M15 Tabarka | Clay |
| 12.06.19 | 1st round | Guido Ivan Justo | Martin Van Der Meerschen | 6-1, 6-0 | | match details | ||
| 10.06.19 | q 1 | Guido Ivan Justo | Luis Britto | 6-1, 6-3 | | match details | ||
| 10.06.19 | qual. | Guido Ivan Justo | Barnaby Smith | 6-4, 6-79, 12-10 | | match details | ||
| 07.05.19 | 1st round | Arklon Huertas Del Pino | Guido Ivan Justo | 4-6, 6-3, 6-0 | | match details | M15 Buenos | Clay |
| 30.04.19 | 1st round | Facundo Diaz Acosta | Guido Ivan Justo | 6-3, 7-63 | | match details | M15 Buenos | Clay |
| 05.04.19 | 2nd round | Manuel Pena Lopez | Guido Ivan Justo | 6-1, 6-0 | | match details | M15 Pinamar | Clay |
| 02.04.19 | 1st round | Guido Ivan Justo | Alejo Lorenzo Lingua Lavallen | 6-1, 3-6, 7-66 | | match details | ||
| 29.03.19 | 1/4 | Juan Ignacio Galarza | Guido Ivan Justo | 6-3, 6-0 | | match details | M15 Pinamar | Clay |
| 28.03.19 | 2nd round | Guido Ivan Justo | Pedro Sakamoto | 6-4, 7-63 | | match details | ||
| 27.03.19 | 1st round | Guido Ivan Justo | Juan Bautista Otegui | 5-7, 7-63, Juan Bautista Otegui - retired | | match details | ||
| 26.03.19 | qual. | Guido Ivan Justo | Federico Moreno | 6-3, 6-0 | | match details | ||
| 25.03.19 | q 1 | Guido Ivan Justo | Nicolas Bianchi | 6-4, 6-3 | | match details | ||
| 19.03.19 | 1st round | Santiago Rodriguez Taverna | Guido Ivan Justo | 6-4, 7-60 | | match details | M15 Pinamar | Clay |