Stadium: Court 8 Round: 25 Ground: Clay
| Challenger Forli | 2021/06/16 09:30 | Francesco Forti v Lucas Gerch | 6-4,6-4 |
| Challenger Forli | 2021/06/15 09:30 | Lucas Gerch v Thiago Agustin Tirante | 7-6,3-6,6-3 |
| Challenger Forli | 2021/06/14 09:30 | Lucas Gerch v Elmar Ejupovic | 4-6,6-4,7-6 |
| Challenger Forli | 2021/06/13 09:45 | Alessandro Bega v Lucas Gerch | 3-6,1-6 |
| ITF M15 Antalya | 2021/05/28 08:20 | Pol Martin Tiffon v Lucas Gerch | 7-5,6-3 |
| ITF M15 Antalya | 2021/05/27 10:10 | Paul Woerner v Lucas Gerch | 7-5,6-7,3-6 |
| ITF M15 Antalya | 2021/05/26 12:00 | Giorgio Tabacco v Lucas Gerch | 2-6,3-6 |
| ITF M15 Antalya | 2021/05/20 07:30 | Lucas Gerch v Mariano Navone | 3-6,6-4,2-6 |
| ITF M25 The Hague | 2021/06/28 08:00 | Vladimir Ivanov v Raphael Collignon | 6-2,6-2 |
| ITF M25 The Hague | 2021/06/27 08:00 | Vladimir Ivanov v Patrick Zahraj | 4-6,6-3,10-6 |
| ITF M25 Alkmaar | 2021/06/21 18:00 | Vladimir Ivanov v Guy Den Heijer | 3-6,6-7 |
| ITF M25 Alkmaar | 2021/06/20 14:00 | Vladimir Ivanov v Jack Gibbens | 6-2,7-5 |
| ITF M15 Helsinki | 2021/06/02 06:30 | Lucas Catarina v Vladimir Ivanov | 7-5,1-6,6-2 |
| ITF M15 Kouvola | 2021/05/26 08:00 | Vladimir Ivanov v Lorenzo Rottoli | 2-6,4-6 |
| ITF M15 Antalya | 2021/05/19 11:10 | Vladimir Ivanov v Edoardo Eremin | 3-6,4-6 |
| ITF M15 Antalya | 2021/05/13 11:40 | Alexander Erler v Vladimir Ivanov | 5-7,6-3,6-1 |