Duncan Chan
2023
| J200Prato | [6] | 2R |
| J200Woodbridge | [3] | Semi |
| J300Sandiego | [10] | 1R |
| J300Indianwells | [8] | Quarter |
| J300Lima | [3] | 1R |
| J300Barranquilla | [10] | 3R |
| J300Salinas | 1R | |
| J300Sanjose | [6] | 2R |
2022
| Jb1Nicholasville | [8] | 2R |
| J2Montreal | [1] | 2R |
| J1Repentigny | 3R | |
| J1Collegepark | 1R | |
| J2Bogota | [8] | Quarter |
| J3Calgary | [1] | Win |
| J1Charleroi-Marcinelle | 1R | |
| J2Prato | 1R | |
| J2Woodbridge | [5] | Quarter |
| J2Santodomingo-2 | Quarter | |
| J2Santodomingo | 2R | |
| J3Cancun | [2] | 3R |
| J3Tampico | [2] | Quarter |
| J1Salinas | 2R | |
| J1Barranquilla | 2R |
Nation
CAN
World Ranking
ATP Ranking　1966th
Year-end Junior World Ranking
- Year-end 2023 139th
- Year-end 2022 135th
- Year-end 2021 403th
Match Details
2023 J200Prato
| W | 1R | Filippo Romano | 6-4 6-1 |
| L | 2R | Giacomo Nosei | 3-6 4-6 |
2023 J200Woodbridge
| W | 1R | Abhishek Thorat | 6-2 6-2 |
| W | 2R | Aleksandar Mitric | 7-6 6-2 |
| W | QF | Nikita Filin | 6-2 7-5 |
| L | SF | Kuangqing Xu | 5-7 6-7 |
2023 J300Sandiego
| L | 1R | Jordan Reznik | 7-6 2-6 6-7 |
2023 J300Indianwells
| W | 2R | Abhishek Thorat | 6-7 6-2 7-6 |
| W | 3R | Maxwell Exsted | 1-6 7-6 6-3 |
| L | QF | Cyrus Mahjoob | 3-6 1-6 |
2023 J300Lima
| L | 1R | Pedro Rodrigues | 5-7 6-4 5-7 |
2023 J300Barranquilla
| W | 2R | Henrique Costanzi De Brito | 6-4 6-4 |
| L | 3R | Oliver Bonding | 2-6 3-6 |
2023 J300Salinas
| L | 1R | Cooper Woestendick | 3-6 6-3 2-6 |
2023 J300Sanjose
| W | 1R | Justin Engel | 6-7 6-3 6-2 |
| L | 2R | Thijs Boogaard | 2-6 1-6 |
2022 Jb1Nicholasville
| L | 2R | Andrew Delgado | 4-6 6-3 4-6 |
2022 J2Montreal
| W | 1R | Rohan Belday | 6-1 6-2 |
| L | 2R | Jonathan Irwanto | 4-6 5-7 |
2022 J1Repentigny
| W | 1R | Kuangqing Xu | 7-6 6-3 |
| W | 2R | Arthur Gea | 6-3 6-4 |
| L | 3R | Adhithya Ganesan | 2-6 6-2 2-6 |
2022 J1Collegepark
| L | 1R | Kurt Miller | 6-7 6-1 2-6 |
2022 J2Bogota
| W | 1R | Francesco Cordova | 6-2 6-7 7-6 |
| W | 2R | Joaquin Guilleme | 6-4 3-6 6-3 |
| W | 3R | Felipe Pinzon Moreno | 7-6 6-3 |
| L | QF | Gianluca Ballotta | 1-6 5-7 |
2022 J3Calgary
| W | 1R | Miko Lapalme | 6-2 6-2 |
| W | 2R | Denny Bao | 6-4 6-4 |
| W | QF | Hayden Khoo Menon | 6-0 6-4 |
| W | SF | Adhithya Ganesan | 6-2 6-2 |
| W | F | John Kim | 7-5 6-4 |
2022 J1Charleroi-Marcinelle
| L | 1R | Zian Vanderstappen | 5-7 4-6 |
2022 J2Prato
| L | 1R | Benjamin Torrealba | 6-7 6-7 |
2022 J2Woodbridge
| W | 1R | Nicholas Steiglehner | 6-1 6-4 |
| W | 2R | Aaron Yu | 6-0 7-5 |
| L | QF | Kaylan Bigun | 3-6 3-6 |
2022 J2Santodomingo-2
| W | 1R | Josue Guzman | 6-3 7-5 |
| W | 2R | Yannik Rahman | 6-3 4-6 6-2 |
| L | QF | Sean Daryabeigi | 4-6 3-6 |
2022 J2Santodomingo
| W | 1R | Mihai Alexandru Coman | 6-0 4-6 6-3 |
| L | 2R | Yannik Rahman | 3-6 4-6 |
2022 J3Cancun
| W | 2R | Pablo Segura | 6-2 6-1 |
| L | 3R | Kane Bonsach Ganley | 6-4 4-6 3-6 |
2022 J3Tampico
| W | 2R | Aaron Yu | 6-2 7-5 |
| W | 3R | Jacob Olar | 6-3 6-3 |
| L | QF | Sam Scherer | 3-6 6-4 2-6 |
2022 J1Salinas
| W | 1R | Armando Sotelo | 6-1 6-0 |
| L | 2R | Nicholas Godsick | 6-7 1-3 |
2022 J1Barranquilla
| W | 1R | Marcelo Marino Hidalgo | 6-2 6-4 |
| L | 2R | Joseph Phillips | 4-6 6-7 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9654, Number of registered players: 5,431, Number of registered results: 268,631