Stadium: Court 3 Round: 25 Ground: Clay
| ITF M25 Palm Coast | 2020/02/06 16:55 | Gianluigi Quinzi v Lucas Gerch | 3-6,7-6,6-1 |
| German Premier League | 2020/08/14 07:00 | Lucas Gerch v Alexander Mannapov | 6-1,3-6,6-1 |
| German Premier League | 2020/08/13 14:00 | Flemming Peters v Lucas Gerch | 2-6,0-6 |
| German Premier League | 2020/08/12 11:05 | Lucas Gerch v Tom Schonenberg | 7-5,1-6,6-2 |
| German Premier League | 2020/08/11 13:40 | Marvin Netuschil v Lucas Gerch | 6-4,6-7,7-5 |
| German Premier League | 2020/08/10 14:30 | Lucas Gerch v Mats Rosenkranz | 1-6,4-6 |
| German Masters | 2020/08/06 13:20 | Oscar Moraing v Lucas Gerch | 6-4,5-7,2-6 |
| German Masters | 2020/08/05 10:20 | Benjamin Lock v Lucas Gerch | 3-6,4-6 |
| German Masters | 2020/08/04 13:10 | Sebastian Ofner v Lucas Gerch | 3-6,4-6 |
| ITF M25 Vogau | 2020/08/20 08:00 | Gianluigi Quinzi v Manuel Guinard | 2-6,1-6 |
| ITF M25 Vogau | 2020/08/19 10:20 | Matteo Martineau v Gianluigi Quinzi | 6-3,3-6,2-6 |
| ITF M25 Murcia | 2020/03/04 17:25 | Gianluigi Quinzi v Pablo Llamas Ruiz | 4-6,6-3,6-7 |
| ITF M25 Antalya | 2020/02/27 08:25 | Gianluigi Quinzi v Pedro Cachin | 4-6,6-7 |
| ITF M25 Antalya | 2020/02/26 07:00 | Ergi Kirkin v Gianluigi Quinzi | 2-6,3-6 |
| ITF M25 Palm Coast | 2020/02/07 16:00 | Gianluigi Quinzi v Martins Podzus | 3-6,4-6 |
| ITF M25 Palm Coast | 2020/02/06 16:55 | Gianluigi Quinzi v Lucas Gerch | 3-6,7-6,6-1 |
| ITF M25 Palm Coast | 2020/02/05 18:35 | Gianluigi Quinzi v Federico Agustin Gomez | 6-3,6-4 |