Gauthier Onclin
2019
| US OPEN JUNIOR | [9] | 3R |
| WIMBLEDON JUNIOR | [15] | 1R |
| ROLAND GARROS JUNIOR | 2R | |
| AUSTRALIAN OPEN JUNIOR | [10] | 1R |
2018
| J500OSAKA | [4] | Semi |
Nation
BEL
Age
25 years old (born in 2001)
World Ranking
ATP Ranking　273th
Year-end Junior World Ranking
- Year-end 2019 21th
- Year-end 2018 20th
Match Details
2019 US OPEN JUNIOR
| W | 1R | Taha Baadi | 6-1 6-7 7-5 |
| W | 2R | William Grant | 6-2 6-3 |
| L | 3R | Milan Welte | 3-6 4-6 |
2019 WIMBLEDON JUNIOR
| L | 1R | Anton Matusevich | 3-6 6-4 4-6 |
2019 ROLAND GARROS JUNIOR
| W | 1R | Gustavo Heide | 6-1 6-3 |
| L | 2R | Lorenzo Musetti | 3-6 6-7 |
2019 AUSTRALIAN OPEN JUNIOR
| L | 1R | Harry Wendelken | 5-7 7-6 6-7 |
J500OSAKA
| W | 1R | Giacomo Dambrosi | 6-4 2-6 6-3 |
| W | 2R | Cihan Akay | 6-3 6-1 |
| W | 3R | Daniil Glinka | 7-5 6-2 |
| W | QF | Admir Kalender | 6-4 6-0 |
| L | SF | Bu Yunchaokete | 1-6 0-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 10505, Number of registered players: 6,666, Number of registered results: 385,227