| ITF Spain F30 | 2018/10/02 11:30 | Nikolas Sanchez Izquierdo v Diego-Jose Manrique-Velazquez | 6-1,6-0 |
| ITF Spain F28 | 2018/09/17 10:40 | Diego-Jose Manrique-Velazquez v Alex M Pujolras | 6-7,6-4,2-6 |
| Challenger - Sevilia | 2018/09/01 10:10 | Jeroen Vanneste v Diego-Jose Manrique-Velazquez | 6-2,6-2 |
| ITF Spain F21 | 2018/07/31 09:00 | Diego-Jose Manrique-Velazquez v Eduard Esteve Lobato | 2-6,1-6 |
| ITF Spain F15 | 2018/06/16 15:00 | Sumit Sarkar v Diego-Jose Manrique-Velazquez | 6-1,6-4 |
| ITF Spain F15 | 2018/06/15 13:30 | Jose Fco. Vidal Azorin v Diego-Jose Manrique-Velazquez | 6-0,4-6,3-6 |
| ITF Spain F15 | 2018/06/14 18:00 | Diego-Jose Manrique-Velazquez v Hugo Largo | 6-2,6-2 |
| ITF Spain F15 | 2018/06/12 15:40 | Diego-Jose Manrique-Velazquez v Chanon Phunsawat | 6-2,6-1 |
| ITF Portugal F20 | 2018/10/06 14:00 | Ethan Tulliani v Rafael Giotis | 4-6,1-6 |
| ITF Germany F12 | 2018/08/12 08:00 | Philipp Schroll v Rafael Giotis | 6-1,6-0 |
| ITF Germany F11 | 2018/08/05 12:00 | Rafael Giotis v Chris Rodesch | 3-6,5-7 |
| ITF Germany F11 | 2018/08/05 10:00 | Leon Hoeveler v Rafael Giotis | 7-6,2-6,3-6 |
| ITF Italy F7 Qual | 2018/04/08 13:30 | Federico Moreno v Rafael Giotis | 6-4,6-1 |
| ITF Italy F7 Qual | 2018/04/07 13:00 | Razvan Bobleaga v Rafael Giotis | 6-7,6-1,3-6 |
| ITF Spain F2 | 2018/01/20 12:00 | Rafael Giotis v Luis Faria | 2-6,6-1,3-6 |
| ITF Spain F1 | 2018/01/14 09:00 | Luis Faria v Rafael Giotis | 4-6,6-1,6-4 |