Stadium: Court 8 Round: 25 Ground: Hardcourt outdoor
| Mouilleron-Le-Captif, France | 2019/10/07 11:10 | Carlos Taberner v Lopez Perez | 6-4,6-2 |
| Challenger - Barcelone | 2019/10/02 08:30 | Sousa, Pedro v Lopez Perez | 6-3,6-3 |
| Challenger - Barcelone | 2019/10/01 08:00 | Lopez Perez v Okala, Jules | 6-3,6-4 |
| Challenger Kaohsiung | 2019/09/20 06:30 | Steven Diez v Lopez Perez | 6-3,7-6 |
| Challenger Kaohsiung | 2019/09/19 05:45 | Lopez Perez v Gunneswaran, Prajnesh | 5-7,7-5,6-4 |
| Challenger Kaohsiung | 2019/09/17 05:25 | Lopez Perez v King, Evan | 6-3,6-3 |
| Challenger Shanghai | 2019/09/13 04:55 | Lopez Perez v Sugita, Yuichi | 4-6,6-7 |
| Challenger Shanghai | 2019/09/12 06:20 | Steven Diez v Lopez Perez | 4-6,5-7 |
| Ningbo, China | 2019/10/15 02:00 | Goncalo Oliveira v Barrientos, Nicolas | 5-7,0-6 |
| Portoroz, Slovénie | 2019/08/13 08:00 | Barrientos, Nicolas v Viktor Durasovic | 2-6,6-3,1-6 |
| Portoroz, Slovénie | 2019/08/12 08:00 | Erler, Alexander v Barrientos, Nicolas | 6-3,2-6,2-6 |
| Challenger Manerbio | 2019/08/06 08:00 | Barrientos, Nicolas v Reboul, Fabien | 4-6,3-6 |
| Segovia, Spain | 2019/07/30 16:00 | Nicola Kuhn v Barrientos, Nicolas | 6-4,6-3 |
| Segovia, Spain | 2019/07/29 14:00 | Barrientos, Nicolas v Dan Added | 6-4,7-5 |
| Nur Sultan, Kazakhstan | 2019/07/15 06:45 | Gastao Elias v Barrientos, Nicolas | 6-1,6-1 |
| Challenger Blois | 2019/06/17 16:40 | Holger Rune v Barrientos, Nicolas | 6-1,3-6,6-3 |