| Age category | 18-25 |
| Main hand | Right |
| Backhand | Two-handed |
| Racket | Head Boom 98 |
| Plays since | 2025 |
| Favourite players | Andy Murray |
| Country | Azerbaijan |
| Bweh | |
Heydar Huseynov
Latest matches results
July 2026
Group 5D
| Heydar Huseynov | 1 | 0 |
| Mahir Shiriyev | 6 | 6 |
May 2026
Group 4B
| Rafig Hasanov | 0 |
| Heydar Huseynov [ret] | 0 |
May 2026
Group 4B
| Heydar Huseynov | 1 | 2 |
| Farman Abdullayev | 6 | 6 |
May 2026
Group 4B
| Alexander Tigiev | 6 | 6 |
| Heydar Huseynov | 0 | 3 |
May 2026
Group 4B
| Tayyar Akkubayov | 6 | 6 |
| Heydar Huseynov | 1 | 2 |
May 2026
Group 4B
| Bruce Wu | 7 | 6 |
| Heydar Huseynov | 6 | 2 |
March 2026
Group 4C
| Farid Muradov | 0 |
| Heydar Huseynov [ret] | 0 |
March 2026
Group 4C
| Heydar Huseynov | 1 | 5 |
| Diego García Fontán | 6 | 6 |
March 2026
Group 4C
| Heydar Huseynov | 2 | 0 |
| Ramil Mammadli | 6 | 6 |
March 2026
Group 4C
| Heydar Huseynov | 0 | 0 |
| Salvatore Carotenuto | 6 | 6 |