Marcos Castellanos
2023
| J60Sanpedrosula | [2] | 2R |
| J60Santatecla-4 | [3] | Semi |
| J30Santatecla | [1] | Win |
| J30Guatemala-2 | [1] | Win |
| J60Guatemala-2 | [6] | Semi |
| J60Santatecla-3 | [7] | Semi |
| J60Santatecla-2 | [3] | Semi |
| J100Santodomingo-2 | 1R | |
| J100Santodomingo | [13] | 3R |
Nation
GUA
Year-end Junior World Ranking
- Year-end 2023 500th
- Year-end 2022 586th
- Year-end 2021 1023th
- Year-end 2020 1681th
- Year-end 2019 2070th
Match Details
2023 J60Sanpedrosula
| W | 1R | Julio Eduardo Gom Rivera | 7-5 6-2 |
| L | 2R | Bullion Sharp | 4-6 3-6 |
2023 J60Santatecla-4
| W | 1R | Barack Carballo | 6-1 6-1 |
| W | 2R | Zavier Augustin | 6-4 7-6 |
| W | QF | Diego Schtulmann | 6-2 6-2 |
| L | SF | Yubel Ubri | 6-3 4-6 2-6 |
2023 J30Santatecla
| W | 1R | Luis Antonio Avila Blanco | 6-0 6-1 |
| W | 2R | Sebastian Steden | 6-0 6-1 |
| W | QF | Jieyi Wang | 6-0 6-2 |
| W | SF | Mario Richmagui | 6-1 6-0 |
| W | F | Juan Carlos Fuentes Vasquez | 6-0 6-1 |
2023 J30Guatemala-2
| W | 1R | Mateus Ranciaro | 6-3 6-2 |
| W | 2R | Bardo Bucknell | 6-4 6-3 |
| W | QF | Lucca Soares Guerra Maio Ribeiro | 6-2 6-1 |
| W | SF | Bullion Sharp | 6-3 6-1 |
| W | F | Gustavo Albieri | 6-4 6-3 |
2023 J60Guatemala-2
| W | 1R | Jacob Lee | 6-1 6-2 |
| W | 2R | Jacob Maravillas | 4-6 6-1 6-2 |
| W | QF | Gustavo Albieri | 6-1 3-6 7-6 |
| L | SF | Abhinav Chunduru | 3-6 5-7 |
2023 J60Santatecla-3
| W | 1R | Alejandro Castellanos | 6-4 6-2 |
| W | 2R | Mateus Ranciaro | 6-1 6-1 |
| W | QF | Holland Snell | 7-6 |
| L | SF | Boxiong Zhang | 3-6 2-6 |
2023 J60Santatecla-2
| W | 1R | Matias Schaeuffler | 6-1 6-0 |
| W | 2R | Matias Link | 6-3 6-4 |
| W | QF | Natan Albertini | 6-1 6-3 |
| L | SF | Boxiong Zhang | 1-6 3-6 |
2023 J100Santodomingo-2
| L | 1R | Dominick Mosejczuk | 6-3 2-6 2-6 |
2023 J100Santodomingo
| W | 2R | Roger Koike | 4-6 6-1 6-2 |
| L | 3R | Andrew Delgado | 2-6 3-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 5778, Number of registered players: 4,878, Number of registered results: 222,253