Stadium: Court 3 Round: 62
| ITF M15 Platja D'Aro | 2021/10/04 11:00 | Franco Emanuel Egea v Marc Othman Ktiri | 6-2,4-6,10-12 |
| ITF M15 Platja D'Aro | 2021/10/03 12:00 | Nacho Serra Sanchez v Marc Othman Ktiri | 2-6,3-6 |
| ITF M15 Novi Sad | 2021/07/25 09:30 | Marc Othman Ktiri v Gorazd Srbljak | 4-6,1-6 |
| ATP Mallorca | 2021/06/19 13:45 | Lucas Pouille v Marc Othman Ktiri | 5-7,6-2,6-2 |
| ITF M15 - Antalya | 2021/02/22 07:00 | Dragos Nicolae Madaras v Marc Othman Ktiri | 1-6,6-4,10-6 |
| ITF M15 - Antalya | 2021/02/21 13:00 | Onder Balci v Marc Othman Ktiri | 1-6,2-6 |
| ITF M15 - Antalya | 2021/02/14 12:00 | Marc Othman Ktiri v Aaron Cohen | 3-6,4-6 |
| ITF M15 Manacor | 2021/01/13 15:35 | Marc Othman Ktiri v Baptiste Crepatte | 6-4,2-6,4-6 |
| ITF M15 Platja D'Aro | 2021/10/04 11:00 | Maik Steiner v Arthur Weber | 6-4,6-3 |
| ITF M15 Platja D'Aro | 2021/10/03 09:30 | Peetu Pohjola v Maik Steiner | 4-6,0-6 |
| ITF M15 Káhira | 2021/09/28 08:00 | Leonardo Aboian v Maik Steiner | 7-6,7-5 |
| ITF M15 Káhira | 2021/09/27 08:00 | Cedric Stanke v Maik Steiner | 3-6,1-6 |
| ITF M15 Káhira | 2021/09/20 10:30 | Benedikt Emesz v Maik Steiner | 6-2,6-4 |
| ITF M15 Káhira | 2021/09/19 07:30 | Sai K R Ganta v Maik Steiner | 1-6,1-6 |
| ITF M15 Čornomorsk | 2021/09/02 07:00 | Maik Steiner v Federico Campana | 5-7,6-2,3-6 |
| ITF M15 Čornomorsk | 2021/08/30 12:00 | Maik Steiner v Ainius Sabaliauskas | 7-5,6-7,4-10 |