Stadium: Court 1 Round: 26 Ground: Hardcourt indoor
| Challenger - Quimper | 2020/01/28 10:35 | Ortega-Olmedo, Roberto v Vanni, Luca | 7-6,6-1 |
| Challenger Rennes | 2020/01/24 18:40 | Kamke, Tobias v Ortega-Olmedo, Roberto | 6-3,6-3 |
| Challenger Rennes | 2020/01/23 18:35 | Ortega-Olmedo, Roberto v Evan Furness | 4-6,6-2,7-5 |
| Challenger Rennes | 2020/01/21 10:30 | Ortega-Olmedo, Roberto v Dan Added | 7-6,6-3 |
| Open d'Australie | 2020/01/16 03:40 | Ortega-Olmedo, Roberto v Horansky, Filip | 6-4,5-7,4-6 |
| ITF M15 Cairo | 2019/11/30 08:00 | Ortega-Olmedo, Roberto v Daniel Michalski | 4-6,4-6 |
| ITF M15 Cairo | 2019/11/29 10:55 | Ortega-Olmedo, Roberto v Nagy, Peter | 6-1,6-3 |
| ITF M15 Cairo | 2019/11/28 12:00 | Ortega-Olmedo, Roberto v Coelho, Fabio | 6-0,6-4 |
| Challenger - Quimper | 2020/01/29 18:45 | Arnaboldi, Andrea v Lacko, Lukas | 6-7,6-4,3-6 |
| Challenger Rennes | 2020/01/22 18:30 | Lacko, Lukas v Antoine Escoffier | 5-7,2-6 |
| Open d'Australie | 2020/01/14 01:30 | Marcora, Roberto v Lacko, Lukas | 6-3,6-2 |
| Challenger Bratislava | 2019/11/06 20:15 | Lacko, Lukas v Damir Dzumhur | 4-6,6-3,1-6 |
| Challenger Bratislava | 2019/11/05 18:10 | Lacko, Lukas v Troicki, Viktor | 7-5,7-6 |
| Challenger Eckental | 2019/11/01 14:20 | Lloyd Harris v Lacko, Lukas | 6-7,6-3,6-3 |
| Challenger Eckental | 2019/10/31 16:10 | Smith, John-Patrick v Lacko, Lukas | 5-7,3-6 |
| Challenger Eckental | 2019/10/30 13:20 | Lacko, Lukas v Dennis Novak | 6-4,4-6,6-4 |