Stadium: Court 2 Round: 62 Ground: Clay
| ITF M15 Káhira | 2021/07/26 09:00 | Marlon Vankan v Tomohiro Masabayashi | 6-4,6-2 |
| ITF M15 Káhira | 2021/07/25 11:00 | Marlon Vankan v Tommaso Vescovi | 6-1,6-2 |
| ITF M15 Esch-sur-Alzette | 2021/07/21 11:50 | Marlon Vankan v Mick Veldheer | 3-6,6-0,6-7 |
| ITF M15 Esch-sur-Alzette | 2021/07/20 15:45 | Marlon Vankan v Alex Knaff | 6-4,6-4 |
| ITF M15 Esch-sur-Alzette | 2021/07/19 08:55 | Marlon Vankan v Adrian Oetzbach | 6-3,6-7,10-6 |
| ITF M15 Esch-sur-Alzette | 2021/07/18 10:20 | Marlon Vankan v Christophe Tholl | 6-4,6-1 |
| ITF M15 Troisdorf | 2021/05/13 11:45 | Louis Wessels v Marlon Vankan | 4-6,6-2,7-6 |
| ITF M15 Troisdorf | 2021/05/12 10:10 | Marlon Vankan v Alexander Mannapov | 6-2,6-1 |
| ITF M15 Káhira | 2021/07/26 12:00 | Simone Cacciapuoti v Menelaos Efstathiou | 1-6,1-6 |
| ITF M15 Káhira | 2021/07/25 15:00 | Daniel Bagnolini v Menelaos Efstathiou | 4-6,6-1,4-10 |
| ITF M15 Sofie | 2021/07/04 06:30 | Mattia Frinzi v Menelaos Efstathiou | 6-2,6-3 |
| ITF M15 - Antalya | 2021/06/30 10:45 | Menelaos Efstathiou v Nicolae Frunza | 3-6,5-7 |
| ITF M15 - Antalya | 2021/06/29 06:30 | Andrea Picchione v Menelaos Efstathiou | 6-3,4-6,7-10 |
| ITF M15 - Antalya | 2021/06/28 06:30 | Andrea Del Federico v Menelaos Efstathiou | 6-4,4-6,4-10 |
| ITF M15 - Antalya | 2021/06/27 06:30 | Kirill Mishkin v Menelaos Efstathiou | 1-6,3-6 |
| Davis Cup | 2021/06/19 08:00 | Menelaos Efstathiou v Valentin Vacherot | 3-6,6-7 |