Stadium: Court 2 Round: 45
| Challenger Morelos Qual | 2018/02/17 15:00 | Ruan Roelofse v Ruben Gonzales | 6-4,6-4 |
| Challenger Dallas Qual | 2018/01/28 17:20 | Ruben Gonzales v Maximo Gonzalez | 2-6,7-5,5-7 |
| Challenger Dallas Qual | 2018/01/27 16:00 | Ruben Gonzales v Francisco Dias | 7-5,6-4 |
| Challenger Blois Qual | 2017/06/18 11:00 | Corentin Moutet v Ruben Gonzales | 6-1,7-6 |
| Challenger Blois Qual | 2017/06/17 09:40 | Fabien Reboul v Ruben Gonzales | 4-6,6-4,3-6 |
| ITF USA F14 | 2017/04/20 14:00 | Ruben Gonzales v Kaichi Uchida | 5-7,2-6 |
| ITF USA F14 | 2017/04/18 15:40 | Sergey Belov v Ruben Gonzales | 3-6,4-6 |
| ITF Bahrain F2 | 2017/03/28 08:00 | Ruben Gonzales v Sanjar Fayziev | 3-6,3-6 |
| Challenger Poprad Tatry Qual | 2018/06/16 12:20 | Karl Friberg v Vit Kopriva | 1-6,1-6 |
| ITF Hungary F4 | 2018/06/14 08:00 | Patricio Heras v Karl Friberg | 6-2,6-2 |
| ITF Hungary F4 | 2018/06/12 14:20 | Pavle Daljev v Karl Friberg | 2-6,4-6 |
| ITF Hungary F4 Qual | 2018/06/11 10:40 | Karl Friberg v Alexandru Vasile Manole | 6-4,6-4 |
| ITF Hungary F4 Qual | 2018/06/10 11:00 | Karl Friberg v Nemanja Subanovic | 6-1,6-4 |
| ITF Sweden F3 | 2018/05/24 08:00 | Frederik Press v Karl Friberg | 6-2,6-3 |
| ITF Sweden F3 | 2018/05/23 08:00 | Karl Friberg v Andre Goransson | 4-6,6-3,6-1 |
| ITF Sweden F3 | 2018/05/21 08:00 | Karl Friberg v Morgan Johansson | 2-6,6-1,6-4 |