Stadium: Pista 1 Round: 25 Ground: Clay
| Challenger Seville | 2018/09/06 15:30 | Tomislav Brkic v Sergio Gutierrez-Ferrol | 6-3,6-7,6-2 |
| Challenger Seville | 2018/09/05 09:00 | Lorenzo Giustino v Sergio Gutierrez-Ferrol | 7-5,3-6,3-6 |
| Challenger Seville | 2018/09/03 17:00 | Sergio Gutierrez-Ferrol v Andrej Martin | 6-3,6-0 |
| Challenger Mallorca | 2018/08/28 09:30 | Tobias Simon v Sergio Gutierrez-Ferrol | 6-3,6-2 |
| US Open | 2018/08/21 22:15 | Peter Polansky v Sergio Gutierrez-Ferrol | 6-4,6-4 |
| Challenger Meerbusch | 2018/08/14 11:40 | Sergio Gutierrez-Ferrol v Zizou Bergs | 6-1,3-6,3-6 |
| Challenger Padova | 2018/07/29 19:00 | Federico Gaio v Sergio Gutierrez-Ferrol | 2-6,6-3,1-6 |
| Challenger Padova | 2018/07/28 19:00 | Sergio Gutierrez-Ferrol v Tommy Robredo | 3-6,6-1,6-2 |
| Challenger Seville | 2018/09/06 21:00 | Pedja Krstin v Laurynas Grigelis | 2-6,6-3,6-4 |
| Challenger Seville | 2018/09/05 18:30 | Alejandro Davidovich Fokina v Laurynas Grigelis | 5-7,6-0,4-6 |
| Challenger Seville | 2018/09/04 10:10 | Laurynas Grigelis v Ramkumar Ramanathan | 6-4,6-2 |
| Challenger Seville | 2018/09/03 08:30 | Laurynas Grigelis v Bernabe Zapata Miralles | 6-3,4-6,6-3 |
| Challenger Seville | 2018/09/02 10:00 | Laurynas Grigelis v Tomas Barrios Vera | 6-3,6-4 |
| Challenger Seville | 2018/09/01 11:10 | Laurynas Grigelis v Jordan Correia | 6-0,4-6,6-0 |
| Challenger Cordenons | 2018/08/14 08:00 | Andrea Pellegrino v Laurynas Grigelis | 6-7,6-2,6-4 |
| Challenger Binghamton | 2018/07/28 17:30 | Jordan Thompson v Laurynas Grigelis | 6-4,6-3 |