Stadium: Court 3 Round: 24 Ground: Hardcourt outdoor
| Challenger Bergamo | 2021/11/04 11:50 | Cem Ilkel v Radu Albot | 7-5,6-3 |
| Challenger Bergamo | 2021/11/02 15:35 | Maxime Janvier v Radu Albot | 7-5,5-7,4-6 |
| ATP St Petersburg | 2021/10/25 08:00 | Radu Albot v Egor Gerasimov | 6-7,4-6 |
| ATP St Petersburg | 2021/10/24 08:00 | Federico Coria v Radu Albot | 3-6,4-6 |
| ATP Moscow | 2021/10/16 07:00 | Radu Albot v Illya Marchenko | 6-7,3-6 |
| Challenger Sibiu | 2021/09/27 08:50 | Vitaliy Sachko v Radu Albot | 6-3,6-3 |
| Challenger Bucharest | 2021/09/22 10:30 | Riccardo Bonadio v Radu Albot | 6-3,6-3 |
| Challenger Bucharest | 2021/09/21 09:00 | Nino Serdarusic v Radu Albot | 2-6,5-7 |
| Challenger Charlottesville | 2021/11/04 16:00 | Aleksandar Vukic v Tung-Lin Wu | 3-6,6-3,6-2 |
| Challenger Charlottesville | 2021/11/02 21:05 | Dmitry Popko v Aleksandar Vukic | 3-6,5-7 |
| Challenger Las Vegas | 2021/10/27 18:00 | Aleksandar Vukic v Michael Mmoh | 4-6,4-6 |
| Challenger Las Vegas | 2021/10/25 20:35 | Mitchell Krueger v Aleksandar Vukic | 4-6,1-6 |
| ATP Indian Wells | 2021/10/10 22:20 | Aleksandar Vukic v Alex De Minaur | 4-6,5-7 |
| ATP Indian Wells | 2021/10/09 01:00 | Aleksandar Vukic v Pablo Andujar | 7-5,6-4 |
| ATP Indian Wells | 2021/10/06 20:00 | Bjorn Fratangelo v Aleksandar Vukic | 1-6,4-6 |
| ATP Indian Wells | 2021/10/05 18:00 | Ulises Blanch v Aleksandar Vukic | 2-6,5-7 |