| Challenger Blois | 06/17 14:20 | 24 | Varillas, Juan Pablo v Ramirez Hidalgo, Ruben | 6-3,6-1 | |
| Challenger Alphen | 09/06 12:05 | 25 | Ramirez Hidalgo, Ruben v Kamil Majchrzak | 3-6,2-6 | |
| Portoroz, Slovénie | 08/07 17:00 | 25 | Lah, Sven v Ramirez Hidalgo, Ruben | 6-4,6-4 | |
| Challenger Tampere | 07/27 12:20 | 26 | [198] Ramirez Hidalgo, Ruben v Cervantes, Inigo [280] | 6-4,3-6,4-6 | |
| Challenger Tampere | 07/25 08:00 | 25 | [198] Ramirez Hidalgo, Ruben v Eriksson, Markus [356] | 6-2,6-3 | |
| Poznan, Poland | 07/21 13:25 | 27 | [123] Pavlasek, Adam v Ramirez Hidalgo, Ruben [187] | 6-2,6-4 | |
| Poznan, Poland | 07/19 11:30 | 26 | [417] Mariano Kestelboim v Ramirez Hidalgo, Ruben [187] | 3-6,2-6 | |
| Poznan, Poland | 07/17 16:30 | 25 | Maciej Rajski v Ramirez Hidalgo, Ruben | 4-6,1-6 | |
| Challenger Perugia | 07/12 14:20 | 25 | [112] Granollers, Marcel v Ramirez Hidalgo, Ruben [172] | 6-3,7-5 | |
| Challenger Marburg | 07/04 13:00 | 25 | Ramirez Hidalgo, Ruben v Gonzalez, Maximo | 2-6,6-3,1-6 | |
| Wimbledon Qual | 06/26 16:20 | 44 | [210] Mcgee, James v Ramirez Hidalgo, Ruben [172] | 6-7,6-3,6-4 | |
| Lisbon, Portugal | 06/12 14:10 | 25 | Ramirez Hidalgo, Ruben v Gleb Sakharov | 3-6,4-6 | |
| ITF Italy F16 | 06/06 15:25 | 25 | Ramirez Hidalgo, Ruben v Prevosto, Luca | 1-6,7-5,4-6 | |
| Challenger Vicenza | 05/29 12:50 | 25 | [168] Ramirez Hidalgo, Ruben v Matteo Berrettini [255] | 4-6,4-6 | |
| French Open Qual | 05/22 09:45 | 44 | Dmitry Popko v Ramirez Hidalgo, Ruben | 6-2,6-4 | |
| Challenger - Rome | 05/09 13:05 | 25 | Maden, Yannick v Ramirez Hidalgo, Ruben | 6-2,6-1 | |
| Challenger - Ostrava | 05/04 08:00 | 26 | Ramirez Hidalgo, Ruben v Stefano Travaglia | 3-6,1-6 | |
| Challenger - Ostrava | 05/02 08:00 | 25 | Ramirez Hidalgo, Ruben v David Poljak | 6-3,6-2 | |
| Challenger - Francavilla | 04/28 14:45 | - | Ramirez Hidalgo, Ruben v Alessandro Giannessi | 6-4,4-6,0-0 | |
| Challenger - Francavilla | 04/27 10:30 | 26 | Ramirez Hidalgo, Ruben v Reuter, Yannik | 6-1,6-1 | |
| Challenger - Francavilla | 04/25 11:30 | 25 | Ramirez Hidalgo, Ruben v Giacalone, Omar | 3-6,7-6,6-3 | |
| Challenger Panama City | 04/04 23:45 | 25 | Ramirez Hidalgo, Ruben v Estrella Burgos, Victor | 4-6,4-6 | |
| Challenger St Brieuc | 03/30 11:25 | 26 | [198] Chiudinelli, Marco v Ramirez Hidalgo, Ruben [148] | 6-0,6-1 | |
| Challenger St Brieuc | 03/28 10:15 | 25 | [271] Laurent Lokoli v Ramirez Hidalgo, Ruben [148] | 1-6,6-4,3-6 | |
| Challenger - Buenos Aires | 03/18 15:25 | 28 | Taro Daniel v Ramirez Hidalgo, Ruben | 7-5,6-2 | |
| Challenger - Buenos Aires | 03/17 22:05 | 27 | Ramirez Hidalgo, Ruben v Dutra Silva, Rogerio | 7-6,4-6,6-4 | |
| Challenger - Buenos Aires | 03/17 16:30 | 26 | Ramirez Hidalgo, Ruben v Juan Pablo Paz | 7-6,6-4 | |
| Challenger - Buenos Aires | 03/16 14:05 | 25 | Guido Andreozzi v Ramirez Hidalgo, Ruben | 2-6,7-6,2-6 | |
| Challenger - Santiago | 03/07 14:30 | 25 | [122] de Greef, Arthur v Ramirez Hidalgo, Ruben [151] | 7-6,6-2 | |
| ATP Rio De Janeiro Qual | 02/18 12:05 | - | Estrella Burgos, Victor v Ramirez Hidalgo, Ruben | 6-3,6-3 |