| JAMILAN-2 | 1R | |
| J2 HANNOVER | ベスト8 | |
| J2 HASKOVO | 1R | |
| J1 PLOVDIV | ベスト8 | |
| J2 VALENCIA | ベスト8 | |
| J2 SIAULIAI | 1R | |
| J3 MANACOR | 2R | |
| J3 ANTALYA | 準優勝 | |
| J4 BELGRADE | [4] | ベスト4 |
| J5 PESCARA-2 | [1] | ベスト4 |
| J4 MARIBOR-4 | [8] | ベスト8 |
| J4 PALERMO | [6] | 優勝 |
| J4 OBERENTFELDEN | 1R | |
| J4 PRAGUE | 2R |
| J5 PESCARA | 1R | |
| J5 BARI | [12] | ベスト4 |
| J3 PALERMO | 1R | |
| J4 PORTO | 1R | |
| J4 IOANNINA | ベスト8 | |
| J5 SKOPJE | 3R | |
| J4 MARSA | 2R | |
| J5 CORRADINO | 3R |
ATPランキング 392位
Simeon Kostov
2-0| ● | 1R | Artur Kukasian | 2-6 3-6 |
| ○ | 1R | 井上玄意 | 6-0 6-3 |
| ○ | 2R | Max Hans Rehberg | 6-4 6-7 6-3 |
| ● | QF | Alejandro Manzanera Pertusa | 2-6 0-6 |
| ● | 1R | Charlelie Cosnet | 4-6 7-5 2-6 |
| ○ | 1R | Yanaki Milev | 4-6 6-0 6-2 |
| ○ | 2R | Kalin Ivanovski | 6-4 3-6 7-6 |
| ● | QF | Viacheslav Bielinskyi | 6-7 3-6 |
| ○ | 1R | Mikhail Gorokhov | 6-1 6-0 |
| ○ | 2R | Alejandro Manzanera Pertusa | 7-6 6-1 |
| ● | QF | Daniel Merida | 6-4 4-6 5-7 |
| ● | 1R | Filip Pieczonka | 2-6 1-6 |
| ○ | 1R | Edas Butvilas | 6-3 6-3 |
| ● | 2R | Daniel Merida | 4-6 6-3 4-6 |
| ○ | 1R | Borys Zgola | 6-3 6-3 |
| ○ | 2R | Arda Azkara | 0-6 6-2 6-3 |
| ○ | QF | Gal Emersic Potocnik | 6-2 7-5 |
| ○ | SF | Peter Nad | 6-3 6-0 |
| ● | F | Daniele Minighini | 6-1 5-7 4-6 |
| ○ | 1R | Zoran Ludoski | 7-5 6-1 |
| ○ | 2R | Iustin Belea | 6-1 6-2 |
| ○ | QF | Nikola Zekic | 6-0 6-2 |
| ● | SF | Aljaz Jeran | 3-6 4-6 |
| ○ | 1R | Lorenzo Ferri | 6-4 6-4 |
| ○ | 2R | Peter Buldorini | 6-1 6-3 |
| ○ | QF | Filippo Romano | 7-6 6-4 |
| ● | SF | Daniel Bagnolini | 6-2 3-6 3-6 |
| ○ | 1R | Tobias Smoliner | 6-2 6-1 |
| ○ | 2R | Sebastian Dominko | 7-5 7-6 |
| ● | QF | Bor Artnak | 4-6 4-6 |
| ○ | 1R | Antonio Matteo Iaquinto | 6-2 6-0 |
| ○ | 2R | Adam Kresina | 6-1 6-1 |
| ○ | QF | Giammarco Gandolfi | 7-6 6-2 |
| ○ | SF | Federico Bondioli | 6-1 7-6 |
| ○ | F | Giacomo Revelli | 6-3 6-1 |
| ● | 1R | Noah Merre | 6-4 4-6 5-7 |
| ○ | 1R | Vit Kalina | 4-6 6-3 6-2 |
| ● | 2R | Daniel Siniakov | 1-6 2-6 |
| ● | 1R | Luca Van Assche | 1-6 4-6 |
| ○ | 2R | Luca Giordano | 6-3 6-2 |
| ○ | 3R | Filippo Di Perna | 6-2 7-6 |
| ○ | QF | Samuel Reeve | 6-4 6-4 |
| ● | SF | Noah Merre | 2-6 6-3 3-6 |
| ● | 1R | Giorgio Tabacco | 4-6 2-6 |
| ● | 1R | Henrique Petiz | 5-7 5-7 |
| ○ | 1R | Ioannis Xilas | 6-1 7-6 |
| ○ | 2R | Simeon Kostov | 7-6 6-1 |
| ● | QF | Aleksandr Myagkov | 3-6 6-1 0-6 |
| ○ | 1R | Arno Van Droogenbroeck | 6-3 6-2 |
| ○ | 2R | Simeon Kostov | 6-4 6-4 |
| ● | 3R | Luka Ljuben Andonov | 1-6 6-7 |
| ○ | 1R | Theodoros Mitsakos | 6-3 6-2 |
| ● | 2R | Iiro Vasa | 5-7 3-6 |
| ○ | 1R | Ethan Blot | 6-2 6-3 |
| ○ | 2R | Asaf Friedler | 6-2 6-4 |
| ● | 3R | Viacheslav Bielinskyi | 7-5 1-6 3-6 |
| ● | 1R | Ken Cavrak | 2-6 0-6 |
Junior Tennis Databaseはテニスの国内・ITFジュニアの主要大会の結果をまとめたサイトです。
登録大会数15636、登録選手数11,472、登録結果数478,929