Juan Manuel La Serna
2022
| US OPEN JUNIOR | 2R | |
| WIMBLEDON JUNIOR | 1R | |
| J1 ROEHAMPTON | 1R | |
| J1 NOTTINGHAM | [15] | 2R |
| ROLAND GARROS JUNIOR | 1R | |
| J1 CHARLEROI-MARCINELLE | [11] | Quarter |
| JAMILAN | 1R | |
| J1 SANTACROCESULLARNO | 1R | |
| J3 ASUNCION | [1] | Semi |
| JB1 LIMA | [6] | 2R |
2021
| JAMERIDA | 1R | |
| J1 GUADALAJARA | [10] | 3R |
| J2 LAPAZ | [3] | Semi |
| J2 SANTACRUZ | [6] | Win |
| J4 CORDOBA-2 | [1] | Semi |
| J4 CORDOBA | [1] | Win |
| J2 GLADBECK | 1R | |
| J3 PRAGUE | [5] | 2R |
| J5 HILVERSUM | [1] | 2R |
| J4 EINDHOVEN | [1] | 2R |
| J4 AARHUS | [1] | Final |
| J4 BISTRITA | [2] | Win |
| J4 OBERPULLENDORF-2 | [4] | Final |
| JB1 ARMENIA | 2R | |
| J5 SANTATECLA | [6] | Final |
| J4 LALIBERTAD | 2R | |
| J4 GUATEMALACITY | 1R | |
| J5 SANJOSE | Quarter | |
| J4 SANJOSE | Semi |
2020
| J5 ASUNCION-3 | [7] | Final |
Nation
ARG
World Ranking
ATP Ranking　428th
Rival
Gianluca Ballotta (1-2)
Arthur Gea (0-2)
Tiago Pires (1-1)
Lucio Ratti (1-1)
Paul Barbier Gazeu (1-1)
Match Details
2022 US OPEN JUNIOR
| W | 1R | Bryce Nakashima Nakashima | 7-5 6-2 |
| L | 2R | Arthur Gea | 3-6 1-6 |
2022 WIMBLEDON JUNIOR
| L | 1R | Gonzalo Bueno | 4-6 2-6 |
2022 J1 ROEHAMPTON
| L | 1R | Peter Nad | 3-6 4-6 |
2022 J1 NOTTINGHAM
| L | 2R | Aidan Kim | 1-6 5-7 |
2022 ROLAND GARROS JUNIOR
| L | 1R | Jakub Nicod | 3-6 6-4 4-6 |
2022 J1 CHARLEROI-MARCINELLE
| W | 2R | Giammarco Gandolfi | 6-1 6-2 |
| W | 3R | Alejandro Melero Kretzer | 6-3 6-3 |
| L | QF | Arthur Gea | 2-6 3-6 |
2022 JAMILAN
| L | 1R | Tiago Pires | 2-6 1-6 |
2022 J1 SANTACROCESULLARNO
| L | 1R | Jaden Weekes | 4-6 5-7 |
2022 J3 ASUNCION
| W | 1R | Vitor Costa Goncalves | 6-3 1-1 |
| W | 2R | Eduardo Nunez Del Prado Flores | 6-3 4-6 6-1 |
| W | QF | Matheus Amorim De Lima | 6-4 6-4 |
| L | SF | Victor Tosetto | 5-7 6-1 3-6 |
2022 JB1 LIMA
| W | 1R | Camilo Cano Gomez | 4-6 6-2 6-3 |
| L | 2R | Gianluca Ballotta | 0-6 2-6 |
2021 JAMERIDA
| L | 1R | Cooper Williams | 4-6 4-6 |
2021 J1 GUADALAJARA
| W | 1R | Preston Stearns | 6-2 7-6 |
| W | 2R | Ekansh Kumar | 1-6 6-3 6-4 |
| L | 3R | Jonah Braswell | 7-6 2-6 5-7 |
2021 J2 LAPAZ
| W | 1R | Santiago Navarro | 6-3 7-6 |
| W | 2R | Kurt Miller | 6-0 6-3 |
| W | QF | Josue Guzman | 7-5 7-6 |
| L | SF | Juan Carlos Prado Angelo | 4-6 2-6 |
2021 J2 SANTACRUZ
| W | 1R | Quang Duong | 6-1 2-1 |
| W | 2R | Santiago Navarro | 2-6 6-3 6-2 |
| W | QF | Yannik Rahman | 6-7 6-4 6-3 |
| W | SF | Lautaro Midon | 7-5 7-6 |
| W | F | Gianluca Ballotta | 6-3 6-0 |
2021 J4 CORDOBA-2
| W | 1R | Rocco Mariani | 6-0 6-3 |
| W | 2R | Juan Ignacio Zamora | - - - |
| W | QF | Giovanni Branchetti | 6-0 6-1 |
| L | SF | Lucio Ratti | 5-7 2-6 |
2021 J4 CORDOBA
| W | 1R | Martin Delnido | 6-1 6-4 |
| W | 2R | Agustin Baroni | 6-3 6-0 |
| W | QF | Giovanni Branchetti | 6-1 6-1 |
| W | SF | Segundo Goity Zapico | 6-3 6-0 |
| W | F | Lucio Ratti | 6-2 7-5 |
2021 J2 GLADBECK
| L | 1R | Yanaki Milev | 2-6 5-7 |
2021 J3 PRAGUE
| W | 1R | Lukas Rais | 6-0 6-3 |
| L | 2R | Yanaki Milev | 6-3 3-6 3-6 |
2021 J5 HILVERSUM
| W | 1R | Lukas Janousek | 6-4 6-4 |
| L | 2R | Joan Torres Espinosa | 6-7 6-3 4-6 |
2021 J4 EINDHOVEN
| W | 1R | Daan Meijer | 6-2 6-0 |
| L | 2R | Paul Barbier Gazeu | 5-7 1-6 |
2021 J4 AARHUS
| W | 1R | Mikkel Ballisager | 6-1 6-1 |
| W | 2R | Gabriele Vulpitta | 6-3 6-2 |
| W | QF | Juho Eric Biggs | 6-3 6-2 |
| W | SF | Paul Barbier Gazeu | 2-6 6-1 6-3 |
| L | F | David Fix | 3-6 6-3 4-6 |
2021 J4 BISTRITA
| W | 1R | Razvan Aghion | 6-2 6-3 |
| W | 2R | Bora Cankaya | 6-3 6-2 |
| W | QF | Benito Massacri | 6-1 6-1 |
| W | SF | Alexandru Rares Giurea | 6-3 6-1 |
| W | F | Vlad Cristian Breazu | 7-5 2-6 6-2 |
2021 J4 OBERPULLENDORF-2
| W | 1R | Georg Eduard Israelan | 6-1 6-2 |
| W | 2R | Paul Werren | 6-1 6-1 |
| W | QF | Tiago Pires | 6-2 6-3 |
| W | SF | Matthias Ujvary | 6-3 6-3 |
| L | F | Mika Brunold | 3-6 1-6 |
2021 JB1 ARMENIA
| W | 1R | Marcelo Marino Hidalgo | 6-2 6-2 |
| L | 2R | Alvaro Guillen Meza | 6-7 3-6 |
2021 J5 SANTATECLA
| W | 1R | Luis Fernandez | 6-4 6-2 |
| W | 2R | Joaquin Guilleme | 6-1 6-2 |
| W | QF | Luca- Julian Hotze | 1-6 6-3 6-3 |
| W | SF | Kurt Miller | 6-0 6-1 |
| L | F | Gianluca Ballotta | 6-1 4-6 3-6 |
2021 J4 LALIBERTAD
| W | 1R | Gillian Osmont | 6-2 6-3 |
| L | 2R | Sebastian Dominko | 2-6 3-6 |
2021 J4 GUATEMALACITY
| L | 1R | Kael Shalin Shah | 5-7 2-6 |
2021 J5 SANJOSE
| W | 1R | Jackson Armistead | 6-3 6-1 |
| W | 2R | Michael Minasyan | 6-3 6-3 |
| L | QF | Jonah Braswell | 6-4 1-6 1-6 |
2021 J4 SANJOSE
| W | 1R | Gillian Osmont | 6-4 6-4 |
| W | 2R | Lucas Brown | 1-6 6-4 6-3 |
| W | QF | Sebastian Sec | 6-4 6-4 |
| L | SF | Azuma Visaya | 4-6 6-2 4-6 |
2020 J5 ASUNCION-3
| W | 1R | Enrique Maria Doldan Sisa | 6-1 6-1 |
| W | 2R | Santiago Martin Enriquez Bogado | 6-0 6-0 |
| W | QF | Martin Antonio Vergara Del Puerto | 1-6 6-2 6-2 |
| W | SF | Luca Ebenriter | 5-7 6-3 6-0 |
| L | F | Adolfo Daniel Vallejo | 6-7 5-7 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 10179, Number of registered players: 6,443, Number of registered results: 375,166