Stadium: Pista Central Round: 24 Ground: Hardcourt outdoor
| Challenger Mallorca | 2018/08/31 11:35 | Nicola Kuhn v Enrique Lopez-Perez | 1-6,6-7 |
| Challenger Marbella | 2019/03/26 11:45 | Enrique Lopez-Perez v Guillermo Garcia-Lopez | 6-4,5-7,5-7 |
| Challenger Marbella | 2019/03/25 11:00 | Enrique Lopez-Perez v Roberto Marcora | 7-6,7-6 |
| Challenger Shenzhen | 2019/03/15 08:15 | Enrique Lopez-Perez v Stefano Napolitano | 4-6,4-6 |
| Challenger Shenzhen | 2019/03/14 08:45 | Enrique Lopez-Perez v Blaz Rola | 3-6,6-3,6-4 |
| Challenger Shenzhen | 2019/03/13 02:00 | James Duckworth v Enrique Lopez-Perez | 4-6,2-6 |
| Challenger Shenzhen | 2019/03/12 04:20 | Enrique Lopez-Perez v Colin Sinclair | 6-2,6-4 |
| Challenger Zhuhai | 2019/03/10 05:30 | Enrique Lopez-Perez v Evgeny Karlovskiy | 6-1,6-4 |
| Challenger Zhuhai | 2019/03/09 05:00 | Enrique Lopez-Perez v Kaichi Uchida | 6-4,6-2 |
| Challenger Phoenix | 2019/03/11 18:50 | Lorenzo Sonego v Nicola Kuhn | 6-3,6-2 |
| Challenger Pau | 2019/02/28 16:15 | Roman Safiullin v Nicola Kuhn | 6-3,6-4 |
| Challenger Pau | 2019/02/26 12:45 | Nicola Kuhn v Daniel Brands | 6-1,7-6 |
| Challenger Pau | 2019/02/25 11:20 | Raul Brancaccio v Nicola Kuhn | 3-6,6-4,1-6 |
| Challenger Chennai | 2019/02/08 05:30 | Nicola Kuhn v Corentin Moutet | 7-5,3-6,4-6 |
| Challenger Chennai | 2019/02/07 05:00 | Duckhee Lee v Nicola Kuhn | 4-6,4-6 |
| Challenger Launceston | 2019/02/01 06:10 | Lloyd Harris v Nicola Kuhn | 6-4,7-6 |
| Challenger Launceston | 2019/01/31 04:15 | Nicola Kuhn v Sebastian Ofner | 7-6,6-3 |