Yunseong Chung
2016
| Wimbledon Junior | [10] | 3R |
| Roland Garros Junior | [7] | 2R |
| Australian Open Junior | [5] | Semi |
2015
| Us Open Junior | [11] | Semi |
| Wimbledon Junior | [11] | Quarter |
| Roland Garros Junior | [8] | 3R |
| Australian Open Junior | [4] | 2R |
2014
Nation
KOR
Age
27 years old (born in 1998)
Match Details
2016 Wimbledon Junior
| W | 1R | Kacper Zuk | 4-6 7-6 6-1 |
| W | 2R | Eduard Guell | 6-2 6-2 |
| L | 3R | Denis Shapovalov | 6-7 3-6 |
2016 Roland Garros Junior
| W | 1R | Felipe Meligeni Rodrigues Alves | 6-3 6-4 |
| L | 2R | Alexei Popyrin | 6-2 2-6 4-6 |
2016 Australian Open Junior
| W | 1R | Alexei Popyrin | 6-3 6-2 |
| W | 2R | Patrik Rikl | 5-7 6-4 9-7 |
| W | 3R | Tung-Lin Wu | WO |
| W | QF | Kenneth Raisma | 6-3 6-4 |
| L | SF | Oliver Anderson | 3-6 5-7 |
2015 Us Open Junior
| W | 1R | Gianni Ross | 6-4 6-4 |
| W | 2R | Patrik Rikl | 7-5 6-4 |
| W | 3R | Reilly Opelka | 6-4 7-6 |
| W | QF | Mikael Ymer | 2-6 7-6 6-3 |
| L | SF | Taylor Fritz | 2-6 3-6 |
2015 Wimbledon Junior
| W | 1R | Marko Osmakcic | 7-5 6-3 |
| W | 2R | Ulises Blanch | 6-7 7-5 6-2 |
| W | 3R | Viktor Durasovic | 4-6 7-6 6-2 |
| L | QF | Taylor Fritz | 2-6 6-4 0-6 |
2015 Roland Garros Junior
| W | 1R | Marc Polmans | 6-2 6-3 |
| W | 2R | Sumit Nagal | 2-6 6-3 6-4 |
| L | 3R | Juan Pablo Ficovich | 6-7 7-6 3-6 |
2015 Australian Open Junior
| W | 1R | Lloyd Harris | 6-3 6-3 |
| L | 2R | Alexander Bublik | 6-7 3-6 |
2014 Us Open Junior
| W | 1R | Michael Mmoh | 4-6 6-3 7-6 |
| L | 2R | Mikael Ymer | 5-7 2-6 |
2014 Wimbledon Junior
| W | 1R | Bogdan Ionut Apostol | 2-6 7-6 6-4 |
| L | 2R | Francis Tiafoe | 6-7 3-6 |
2014 Roland Garros Junior
| W | 1R | Xi Qi | 6-2 6-4 |
| L | 2R | Naoki Nakagawa | 6-7 0-6 |
2014 Australian Open Junior
| L | 1R | Marcelo Zormann | 3-6 3-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 5774, Number of registered players: 3,011, Number of registered results: 222,093