Stadium: Court 5 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2020/09/13 10:30 | Adrian Oetzbach v Amaury De Beer | 6-2,6-3 |
| ITF M15 Sintra | 2020/09/06 11:30 | Pedro Araujo v Adrian Oetzbach | 6-2,6-4 |
| ITF M25 Poznan | 2020/08/26 13:15 | Wojciech Marek v Adrian Oetzbach | 0-6,6-4,6-3 |
| ITF M25 Poznan | 2020/08/25 10:00 | Michal Mikula v Adrian Oetzbach | 5-7,1-6 |
| ITF M25 Poznan | 2020/08/24 09:30 | Makary Adamek v Adrian Oetzbach | 0-6,2-6 |
| ITF M25 Poznan | 2020/08/23 09:30 | Dawid Taczala v Adrian Oetzbach | 3-6,2-6 |
| German Premier League | 2020/08/14 14:50 | Robert Strombachs v Adrian Oetzbach | 6-0,6-4 |
| German Premier League | 2020/08/13 14:00 | Adrian Oetzbach v Yanki Erel | 2-6,6-7 |
| ITF M15 Monastir | 2020/09/13 10:30 | Thijmen Loof v Constantin Bittoun Kouzmine | 5-7,6-2,7-10 |
| ITF M15 Novomoskovsk | 2020/08/31 07:00 | Illya Beloborodko v Constantin Bittoun Kouzmine | 6-2,6-2 |
| ITF M15 Monastir | 2020/03/09 15:00 | Constantin Bittoun Kouzmine v Bastien Presuhn | 0-6,5-7 |
| ITF M15 Monastir | 2020/03/09 08:00 | Marco De Rossi v Constantin Bittoun Kouzmine | 1-6,5-7 |
| ITF M15 Monastir | 2020/03/01 12:30 | George Loffhagen v Constantin Bittoun Kouzmine | 6-4,6-0 |
| ITF M15 Monastir | 2020/03/01 08:00 | Nitin Gunduboina v Constantin Bittoun Kouzmine | 2-6,0-6 |
| ITF M15 Monastir | 2020/02/10 13:30 | Joao Monteiro v Constantin Bittoun Kouzmine | 6-2,6-1 |
| ITF M15 Monastir | 2020/02/09 11:00 | Constantin Bittoun Kouzmine v Ameur Ben Hassen | 6-2,6-0 |