Stadium: Court 3 Round: 25 Ground: Clay
| Sao Bras Alportel, Singles Q M-ITF-POR-13A | 2019/09/03 14:30 | Guido Ivan Justo v Niklas-Salminen, Patrick | 1-6,3-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/08/27 08:00 | Guido Ivan Justo v Aziz Ouakaa | 2-6,2-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/08/22 08:00 | Federico Iannaccone v Guido Ivan Justo | 6-2,6-4 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/08/21 10:30 | Kilani, Majed v Guido Ivan Justo | 6-3,5-7,5-7 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/08/14 15:00 | Yanki Erel v Guido Ivan Justo | 6-2,6-1 |
| ITF M15 Xativa | 2019/07/30 14:00 | Guido Ivan Justo v Martinez, Alex | 7-6,3-6,4-6 |
| ITF M15 Casablanca | 2019/07/26 09:00 | Lazarov, Alexandar v Guido Ivan Justo | 6-3,3-6,6-4 |
| ITF M15 Casablanca | 2019/07/25 09:00 | Musialek, Alexis v Guido Ivan Justo | 3-6,3-6 |
| ITF M25 Oviedo | 2019/09/03 12:25 | Hernandez-Fernandez, Jose v Guttierrez-Ferrol, Sergio | 6-3,3-6,6-4 |
| Wimbledon, London, Great Britain | 2019/06/24 10:00 | Guttierrez-Ferrol, Sergio v Lukas Rosol | 3-6,0-6 |
| French Open, Paris, France | 2019/05/20 15:00 | Bachinger, Matthias v Guttierrez-Ferrol, Sergio | 7-5,2-6,6-3 |
| Challenger Murcia | 2019/04/11 09:00 | Guttierrez-Ferrol, Sergio v Roberto Carballes Baena | 1-6,4-6 |
| Challenger Murcia | 2019/04/09 10:40 | Guttierrez-Ferrol, Sergio v Bellucci, Thomaz | 7-6,6-3 |
| Alicante, Spain | 2019/04/01 16:30 | Hernandez-Fernandez, Jose v Guttierrez-Ferrol, Sergio | 4-6,6-3,7-6 |
| Marbella, Spain | 2019/03/25 15:30 | Guttierrez-Ferrol, Sergio v Melzer, Jurgen | 3-6,3-6 |
| Challenger - Pau | 2019/02/25 11:00 | Jan Choinski v Guttierrez-Ferrol, Sergio | 7-5,2-6,6-3 |