Stadium: Court 1 Round: 64 Ground: Clay
| Challenger Ismaning | 2019/10/18 14:15 | Gabashvili, Teimuraz v Lacko, Lukas | 7-5,4-6,4-6 |
| Challenger - Ostrava | 2020/09/04 11:45 | Botic Van De Zandschulp v Lacko, Lukas | 5-7,6-3,6-1 |
| Challenger - Ostrava | 2020/09/03 08:00 | Lacko, Lukas v Frederico Ferreira Silva | 6-4,7-5 |
| Challenger - Ostrava | 2020/08/31 08:00 | Lacko, Lukas v Horansky, Filip | 7-6,6-2 |
| Challenger Trieste | 2020/08/24 08:00 | Juan Pablo Ficovich v Lacko, Lukas | 7-5,7-5 |
| Challenger - Pau | 2020/02/27 11:00 | Lacko, Lukas v Quentin Halys | 6-7,2-6 |
| Challenger - Pau | 2020/02/25 18:15 | Lacko, Lukas v Mukund Sasikumar | 6-4,7-6 |
| ATP - Marseille | 2020/02/16 10:00 | Lacko, Lukas v Emil Ruusuvuori | 4-6,4-6 |
| ATP - Montpellier | 2020/02/02 15:00 | Elliot Benchetrit v Lacko, Lukas | 6-3,6-3 |
| Challenger - Ostrava | 2020/08/29 11:15 | Gabashvili, Teimuraz v Marc-Andrea Huesler | 6-7,6-7 |
| Challenger Prague 2 | 2020/08/23 08:30 | Marek Gengel v Gabashvili, Teimuraz | 6-2,7-6 |
| Challenger - Pau | 2020/02/29 13:00 | Gabashvili, Teimuraz v Gulbis, Ernests | 3-6,7-6,1-6 |
| Challenger - Pau | 2020/02/28 13:00 | Gabashvili, Teimuraz v Benjamin Bonzi | 6-4,2-6,7-6 |
| Challenger - Pau | 2020/02/27 10:30 | Gabashvili, Teimuraz v Illya Marchenko | 6-4,5-7,7-5 |
| Challenger - Pau | 2020/02/25 09:00 | Stakhovsky, Sergiy v Gabashvili, Teimuraz | 6-7,2-6 |
| Challenger - Pau | 2020/02/24 10:30 | Lucas Miedler v Gabashvili, Teimuraz | 4-6,6-7 |
| Challenger - Koblenz | 2020/02/18 17:05 | Gabashvili, Teimuraz v Tomas Machac | 0-6,3-6 |