Shintaro Mochizuki
2019
| US OPEN JUNIOR | [1] | 2R |
| WIMBLEDON JUNIOR | [8] | Win |
| J1 ROEHAMPTON | [12] | 3R |
| J1 NOTTINGHAM | [3] | Win |
| ROLAND GARROS JUNIOR | Semi | |
| J1 CHARLEROI-MARCINELLE | [9] | Semi |
| JAMILAN | 3R | |
| J1 SANTACROCESULLARNO | [7] | Quarter |
| J2 VILLACH | [1] | Quarter |
| J2 SALSOMAGGIORE | [3] | Semi |
| JAPORTOALEGRE | [8] | 3R |
| J1 BARRANQUILLA | [2] | 2R |
| J1 SANJOSE | [1] | Win |
2018
| J1 BRADENTONFL | 1R | |
| J2 LIMA | [4] | Final |
| J2 SANTIAGO | [3] | Quarter |
| J2 CAIRO-2 | 1R | |
| J2 CAIRO | Quarter | |
| J1 NANJING | [10] | 2R |
| J2 SHANGHAI | [7] | 2R |
| J3 BEIJING | Win | |
| J3 ALMATY | [7] | Semi |
| J4 BAYAMON | [2] | Semi |
| J4 LALIBERTAD | [3] | Quarter |
| J4 GUATEMALACITY | [4] | 2R |
2017
Nation
JPN
Age
22 years old (born in 2003)
World Ranking
ATP Ranking　127th
Year-end Junior World Ranking
- Year-end 2020 4th
- Year-end 2019 4th
- Year-end 2018 122th
Match Details
US OPEN JUNIOR
| W | 1R | Flavio Cobolli | 2-6 6-3 6-4 |
| L | 2R | Alejo Lorenzo Lingua Lavallen | 6-4 6-7 2-6 |
WIMBLEDON JUNIOR
| W | 1R | Valentin Royer | 3-6 6-3 8-6 |
| W | 2R | Roman Andres Burruchaga | 7-5 7-6 |
| W | 3R | Arthur Fery | 6-3 6-3 |
| W | QF | Anton Matusevich | 6-3 6-3 |
| W | SF | Martin Damm | 6-1 0-6 10-8 |
| W | F | Carlos Gimeno Valero | 6-3 6-2 |
J1 ROEHAMPTON
| W | 1R | Peter Makk | 6-2 6-2 |
| W | 2R | Tristan Schoolkate | 6-4 6-3 |
| L | 3R | Anton Matusevich | 1-6 4-6 |
J1 NOTTINGHAM
| W | 2R | Joshua Lapadat | 6-2 6-4 |
| W | 3R | Natan Rodrigues | 6-2 6-3 |
| W | QF | Rinky Hijikata | 6-2 6-2 |
| W | SF | Tristan Schoolkate | 6-2 6-2 |
| W | F | Jack Pinnington Jones | 6-3 6-1 |
ROLAND GARROS JUNIOR
| W | 1R | Sergey Fomin | 6-4 2-6 7-5 |
| W | 2R | Yunchaokete Bu | 6-2 6-1 |
| W | 3R | Pablo Llamas Ruiz | 7-5 6-4 |
| W | QF | Flavio Cobolli | 6-1 6-2 |
| L | SF | Toby Kodat | 3-6 4-6 |
J1 CHARLEROI-MARCINELLE
| W | 2R | Alexander Zgirovsky | 4-6 7-5 6-4 |
| W | 3R | Alejo Lorenzo Lingua Lavallen | 6-2 3-6 6-1 |
| W | QF | Wojciech Marek | 6-3 6-2 |
| L | SF | Alibek Kachmazov | 3-6 3-6 |
JAMILAN
| W | 1R | Arthur Cazaux | 7-6 3-6 6-4 |
| W | 2R | Marco Furlanetto | 6-7 6-3 6-1 |
| L | 3R | Thiago Agustin Tirante | 4-6 2-6 |
J1 SANTACROCESULLARNO
| W | 2R | Luciano Darderi | 7-5 6-3 |
| W | 3R | Marco Furlanetto | 6-1 6-3 |
| L | QF | Admir Kalender | 7-5 4-6 3-6 |
J2 VILLACH
| W | 1R | Jiri Barnat | 6-2 6-3 |
| W | 2R | Peter Sallay | 6-4 6-4 |
| L | QF | Filip Misolic | 2-6 3-6 |
J2 SALSOMAGGIORE
| W | 1R | Lorenzo Rottoli | 6-2 7-6 |
| W | 2R | Hanwen Li | 6-3 6-4 |
| W | QF | Lodewijk Weststrate | 6-1 6-4 |
| L | SF | Flavio Cobolli | 4-6 7-6 6-7 |
JAPORTOALEGRE
| W | 1R | Gustavo Madureira | 6-2 6-2 |
| W | 2R | Roi Ginat | 6-2 7-6 |
| L | 3R | Arthur Cazaux | 4-6 2-6 |
J1 BARRANQUILLA
| W | 1R | Jack Anthrop | 6-1 6-2 |
| L | 2R | Aidan Mayo | 6-2 4-6 4-6 |
J1 SANJOSE
| W | 1R | Murphy Cassone | 6-1 6-2 |
| W | 2R | Hunter Heck | 6-3 6-1 |
| W | 3R | Andrew Dale | 6-4 6-3 |
| W | QF | Minjong Park | 6-4 6-0 |
| W | SF | Blu Baker | 6-3 3-6 6-2 |
| W | F | Martin Damm | 6-3 3-6 6-3 |
J1 BRADENTONFL
| L | 1R | Matheus Pucinelli De Almeida | 4-6 2-6 |
J2 LIMA
| W | 2R | Victorio Marquiselli | 6-4 6-4 |
| W | 3R | Amador Salazar | 6-3 6-3 |
| W | QF | Angel Diaz Jalil | 7-6 6-2 |
| W | SF | Luciano Tacchi | 6-3 6-0 |
| L | F | Zane Khan | 2-6 3-6 |
J2 SANTIAGO
| W | 2R | Joao Victor Couto Loureiro | 6-3 6-4 |
| W | 3R | Daniel Antonio Nunez | 6-3 7-6 |
| L | QF | Juan Bautista Torres | 2-6 6-3 2-6 |
J2 CAIRO-2
| L | 1R | Mann Shah | 4-6 6-3 2-6 |
J2 CAIRO
| W | 1R | Michael Bassem Sobhy | 6-0 6-0 |
| W | 2R | Natan Rodrigues | 7-5 6-1 |
| L | QF | Ismail Saadi | 6-3 4-6 6-7 |
J1 NANJING
| L | 2R | Qian Sun | 5-7 4-6 |
J2 SHANGHAI
| W | 1R | Linang Xiao | 7-6 6-4 |
| L | 2R | Yunchaokete Bu | 3-6 0-6 |
J3 BEIJING
| W | 1R | Xinmu Zhou | 7-6 6-2 |
| W | 2R | Ivan Penev | 6-7 6-3 6-2 |
| W | QF | Megh Bhargav Patel | 6-1 6-1 |
| W | SF | Shunsuke Mitsui | 3-6 6-4 7-6 |
| W | F | Taisei Ichikawa | 6-3 7-6 |
J3 ALMATY
| W | 1R | Przemyslaw Zalubski | 6-4 6-4 |
| W | 2R | Vladislav Tasenkov | 6-0 6-3 |
| W | QF | Guy Den Ouden | 6-3 6-1 |
| L | SF | Ilarion Danilchenko | 5-7 6-2 4-6 |
J4 BAYAMON
| W | 1R | Ian Turner | 6-0 6-2 |
| W | 2R | Santiago Perez Casamayor | 6-3 6-2 |
| W | 3R | Hanyu Liu | 7-5 6-2 |
| W | QF | Rafael De Alba | 6-1 6-2 |
| L | SF | Spencer Whitaker | 7-6 1-6 2-6 |
J4 LALIBERTAD
| W | 2R | Emiliano Gonzalez | 6-4 6-2 |
| W | 3R | Carlos Alejandro Solares Midence | 6-3 6-0 |
| L | QF | Alvaro Guillen Meza | 7-5 6-7 3-6 |
J4 GUATEMALACITY
| W | 1R | Ivan Gabriel Ovalle | 6-1 6-1 |
| L | 2R | Lorenzo Claverie | 5-7 1-6 |
J3 VANCOUVER
| L | 1R | Diego Nava | 6-4 5-7 4-6 |
J4 CIUDADDEGUATEMALA
| L | 1R | Juan Bautista Torres | 2-6 6-4 0-6 |
J4 LALIBERTAD-2
| W | 1R | Blaise Bicknell | 6-3 6-4 |
| L | 2R | Michel-Alexandre Fortin | 6-1 6-7 1-6 |
J4 GUATEMALACITY
| W | 1R | Jonathan Hernandez | 6-2 6-1 |
| L | 2R | Zach Garner | 1-6 5-7 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 14431, Number of registered players: 7,550, Number of registered results: 449,006