Stadium: Pista 2 Round: 28 Ground: Hardcourt outdoor
| Challenger Alicante MD | 2018/04/02 12:35 | Koolhof/Sitak v Cervantes/Marrero | 6-4,6-1 |
| Challenger Irving MD | 2018/03/16 23:10 | Petzschner/Peya v Koolhof/Sitak | 6-4,7-5 |
| Challenger Irving MD | 2018/03/15 22:25 | Koolhof/Sitak v Krajicek/Lacko | 6-1,6-4 |
| Challenger Irving MD | 2018/03/14 19:00 | Inglot/Skupski v Koolhof/Sitak | 6-3,1-6,6-10 |
| ATP Sao Paulo MD | 2018/03/04 17:20 | Koolhof/Sitak v Delbonis/Gonzalez | 4-6,2-6 |
| ATP Sao Paulo MD | 2018/03/03 20:00 | Berlocq/Kicker v Koolhof/Sitak | 3-6,3-6 |
| ATP Sao Paulo MD | 2018/02/28 20:45 | Koolhof/Sitak v C Baena/Garcia-Lopez | 7-5,6-4 |
| ATP Sao Paulo MD | 2018/02/27 23:10 | Koolhof/Sitak v Arends/Begemann | 6-4,7-6 |
| Challenger Alicante MD | 2018/04/03 14:50 | Eysseric/Nys v Martinez Portero/Vega Hernandez | 2-6,4-6 |
| Challenger Ortisei MD | 2017/10/09 13:25 | Arends/Sancic v Martinez Portero/Vega Hernandez | 7-6,7-6 |
| ITF Spain F29 MD | 2017/09/14 20:10 | Martinez Portero/Vega Hernandez v Giner/Pla Malfeito | 3-6,6-4,10-5 |
| ITF Spain F29 MD | 2017/09/13 17:45 | Martinez Portero/Vega Hernandez v Fermosell/Tashi | 6-4,6-4 |
| ITF Spain F29 MD | 2017/09/12 18:15 | Martinez Portero/Vega Hernandez v Cachin/Granollers-Pujol | 6-2,6-4 |
| ITF Spain F29 MD | 2017/09/11 16:00 | Martinez Portero/Vega Hernandez v Cannell/Noguchi | 6-3,6-1 |
| ITF Spain F13 MD | 2017/05/12 15:55 | Martinez Portero/Vega Hernandez v Marcondes/Matos | 7-6,6-7,10-12 |
| ITF Spain F13 MD | 2017/05/09 16:40 | Martinez Portero/Vega Hernandez v Barranco Cosano/R D Avila Senise | 6-3,6-3 |