Nikolay Nedelchev
2021
| J2Gladbeck | [6] | Semi |
| J3Prague | [2] | 2R |
| J2Pilsen | 1R | |
| J3Shymkent-2 | [4] | Quarter |
| J3Shymkent | [5] | Win |
| J3Istanbul-2 | [2] | 1R |
| J3Istanbul | [3] | Quarter |
| J2Santodomingo-2 | Semi | |
| J2Santodomingo | 1R | |
| J3Manacor | 1R | |
| J3Antalya | [3] | 2R |
Nation
BUL
World Ranking
ATP Ranking　1525th
Year-end Junior World Ranking
- Year-end 2021 104th
- Year-end 2020 279th
- Year-end 2019 602th
Rival
Alexander Chernomaz (2-0)
Match Details
2021 J2Gladbeck
| W | 1R | Alexander Watanabe Eriksson | 6-4 6-4 |
| W | 2R | Alen Mujakic | 6-2 3-6 7-5 |
| W | QF | Marcel Kamrowski | 6-4 6-0 |
| L | SF | Liam Gavrielides | 0-6 1-6 |
2021 J3Prague
| W | 1R | Jakub Prachar | 6-3 6-3 |
| L | 2R | Santiago Giamichelle | 3-6 2-6 |
2021 J2Pilsen
| L | 1R | Gabriel Debru | 7-6 1-6 4-6 |
2021 J3Shymkent-2
| W | 1R | Alexander Chernomaz | 6-0 6-1 |
| W | 2R | Amir Milushev | 6-2 6-4 |
| L | QF | Karim Ibrahim | 6-1 6-7 4-6 |
2021 J3Shymkent
| W | 1R | Alexander Chernomaz | 6-3 6-4 |
| W | 2R | Kolganov Kirill | 6-1 6-2 |
| W | QF | Venedikt Tsirikidze | 6-3 6-2 |
| W | SF | Youssef Sadek | 6-3 4-6 6-1 |
| W | F | Dinko Dinev | 6-3 6-2 |
2021 J3Istanbul-2
| L | 1R | Rashed Nawaf | 6-7 4-6 |
2021 J3Istanbul
| W | 1R | Samer Al Tori | 7-6 2-6 7-6 |
| W | 2R | Baran Soyler | 4-6 6-3 6-0 |
| L | QF | Martyn Pawelski | 5-7 5-7 |
2021 J2Santodomingo-2
| W | 1R | Maikel Villalona | 6-1 6-0 |
| W | 2R | Niccolo Ciavarella | 6-2 6-2 |
| W | QF | Martin Katz | 6-3 6-2 |
| L | SF | Jack Pinnington Jones | 5-7 7-5 4-6 |
2021 J2Santodomingo
| L | 1R | Lui Maxted | 5-7 4-6 |
2021 J3Manacor
| L | 1R | Charlelie Cosnet | 6-3 3-6 2-6 |
2021 J3Antalya
| W | 1R | Alessio Tramontin | 6-3 6-4 |
| L | 2R | Pedro Rodenas | 4-6 4-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9280, Number of registered players: 5,767, Number of registered results: 305,685