| Challenger Biella | 08/01 13:15 | 25 | Ramirez Hidalgo, Ruben v Donati, Matteo | 2-6,2-6 | |
| Challenger - Francavilla | 04/28 14:55 | 27 | Ramirez Hidalgo, Ruben v Alessandro Giannessi | Retired | |
| ATP Houston Qual | 04/08 15:00 | 45 | Noah Rubin v Ramirez Hidalgo, Ruben | 7-6,7-5 | |
| ATP Rio De Janeiro Qual | 02/18 12:00 | 45 | Estrella Burgos, Victor v Ramirez Hidalgo, Ruben | 6-3,6-3 | |
| Challenger Kenitra | 09/21 10:00 | 26 | Linzer, Michael v Ramirez Hidalgo, Ruben | 5-7,3-6 | |
| Challenger Banja Luka | 09/14 14:00 | 26 | Safranek, Vaclav v Ramirez Hidalgo, Ruben | 7-6,6-4 | |
| Challenger Banja Luka | 09/13 09:30 | 25 | Sancic, Antonio v Ramirez Hidalgo, Ruben | 4-6,6-7 | |
| Challenger Seville | 09/06 16:00 | 25 | Ramirez Hidalgo, Ruben v Kamil Majchrzak | Retired | |
| Challenger Curitiba | 09/02 16:40 | 27 | Ramirez Hidalgo, Ruben v Riba, Pere | 5-7,3-6 | |
| Challenger Curitiba | 09/01 17:15 | 26 | Ramirez Hidalgo, Ruben v Zampieri, Caio | 6-3,6-1 | |
| Challenger Curitiba | 08/31 18:10 | 25 | Ramirez Hidalgo, Ruben v Saez, Juan Carlos | 4-6,6-3,6-4 | |
| Challenger Tampere | 07/23 09:40 | 28 | Aslan Karatsev v Ramirez Hidalgo, Ruben | 3-6,6-1,6-4 | |
| Challenger Tampere | 07/22 14:10 | 27 | Gleb Sakharov v Ramirez Hidalgo, Ruben | 1-6,1-6 | |
| Challenger Tampere | 07/21 11:00 | 26 | Ramirez Hidalgo, Ruben v Joris De Loore | 7-5,7-6 | |
| Challenger Tampere | 07/19 07:00 | 25 | Ramirez Hidalgo, Ruben v Reuter, Yannik | 7-6,7-6 | |
| Poznan, Poland | 07/15 15:10 | 27 | Kimmer Coppejans v Ramirez Hidalgo, Ruben | 6-4,6-1 | |
| Poznan, Poland | 07/15 10:15 | 26 | Ramirez Hidalgo, Ruben v Krstin, Pedja | 6-3,6-1 | |
| Poznan, Poland | 07/12 10:00 | 25 | Wang, Tak Khunn v Ramirez Hidalgo, Ruben | 0-6,2-6 | |
| ITF Turkey F26 | 07/02 12:00 | 29 | Ramirez Hidalgo, Ruben v Bellotti, Riccardo | 4-6,3-6 | |
| ITF Turkey F26 | 07/01 12:00 | 28 | Ramirez Hidalgo, Ruben v Mugevicius, Lukas | 6-4,4-6,6-4 | |
| ITF Turkey F26 | 06/30 12:00 | 27 | Ramirez Hidalgo, Ruben v Sebastian Ofner | 6-4,6-4 | |
| ITF Turkey F26 | 06/29 07:00 | 26 | Ramirez Hidalgo, Ruben v Krivokuca, Neven | 6-2,6-0 | |
| Wimbledon Qual | 06/22 13:00 | 45 | Fabbiano, Thomas v Ramirez Hidalgo, Ruben | 6-4,6-2 | |
| Wimbledon Qual | 06/21 09:30 | 44 | Ramirez Hidalgo, Ruben v Ungur, Adrian | 6-7,6-4,6-3 | |
| Challenger Poprad Tatry | 06/16 11:00 | 27 | Ramirez Hidalgo, Ruben v Gerald Melzer | 2-6,2-6 | |
| Challenger Poprad Tatry | 06/15 10:45 | 26 | Ghem, Andre v Ramirez Hidalgo, Ruben | 6-4,1-6,1-6 | |
| Challenger Poprad Tatry | 06/13 14:00 | 25 | Fabian, Patrik v Ramirez Hidalgo, Ruben | 3-6,3-6 | |
| Challenger Mestre | 05/17 10:30 | 25 | Ramirez Hidalgo, Ruben v Zeballos, Horacio | 6-3,2-6,4-6 | |
| Challenger - San Luis Potosí | 03/22 19:10 | 25 | Stanek, Robin v Ramirez Hidalgo, Ruben | 6-3,6-4 | |
| Challenger Santiago 2 Qual | 03/11 20:00 | 27 | Ramirez Hidalgo, Ruben v Gonzalo Lama | 7-6,3-6,6-7 |