Stadium: Court 4 Round: 62 Ground: Clay
| ITF M15 Antalya | 2021/05/16 07:00 | Paul Woerner v Vladislav Ivanov | 6-1,6-2 |
| ITF M15 Antalya | 2021/04/25 07:00 | Denis Klok v Vladislav Ivanov | 6-1,7-6 |
| ITF M15 Antalya | 2021/04/19 09:00 | Gabriele Bosio v Vladislav Ivanov | 7-6,0-6,11-9 |
| ITF M25 Reus | 2021/04/12 07:30 | Vladislav Ivanov v Louis Dussin | 3-6,0-6 |
| ITF M25 Reus | 2021/04/11 11:00 | Lluc S Vinolas v Vladislav Ivanov | 0-6,0-6 |
| ITF M15 St Petersburg | 2021/02/08 08:30 | Alexander Vasilenko v Vladislav Ivanov | 6-4,6-2 |
| ITF M15 St Petersburg Qual | 2021/02/07 11:35 | Ivan Denisov v Vladislav Ivanov | 6-4,5-7,7-10 |
| ITF M15 St Petersburg | 2021/01/31 07:50 | Vladislav Ivanov v Alexandr Binda | 6-4,3-6,8-10 |
| ITF M15 Antalya | 2021/05/16 07:00 | Mariano Navone v Stefan Loncar | 7-6,6-3 |
| ITF M15 Troisdorf | 2021/05/09 10:00 | Jonas Maier v Stefan Loncar | 6-2,3-6,10-8 |
| ITF M15 Antalya | 2021/04/18 07:00 | Stefan Loncar v Gabriele Maria Noce | 3-6,1-6 |
| ITF M15 Antalya | 2021/04/13 07:00 | Stefan Loncar v Gianmarco Ferrari | 7-6,2-6,4-10 |
| ITF M15 Antalya | 2021/04/12 07:00 | Giuseppe La Vela v Stefan Loncar | 4-6,2-6 |
| ITF M15 Antalya | 2021/04/11 07:00 | Danylo Veremeychuk v Stefan Loncar | 3-6,2-6 |
| ITF M15 Opatija | 2021/03/22 13:15 | Stefan Loncar v Mattia Frinzi | 3-6,6-7 |
| ITF M15 Opatija | 2021/03/21 13:00 | Milos Vukovic v Stefan Loncar | 2-6,6-4,7-10 |