Lulu Sun
Nation
SUI
Age
24 years old (born in 2001)
World Ranking
WTA Ranking　45th
Year-end Junior World Ranking
- Year-end 2019 304th
- Year-end 2018 25th
Match Details
2019 Australian Open Junior
| W | 1R | Caijsa Wilda Hennemann | 6-4 6-3 |
| W | 2R | Amber Marshall | 6-4 6-0 |
| W | 3R | Federica Rossi | 4-6 6-2 6-4 |
| L | QF | Anastasia Tikhonova | 6-7 6-4 4-6 |
2018 Us Open Junior
| L | 1R | Cori Gauff | 5-7 3-6 |
2018 Wimbledon Junior
| W | 1R | Marta Custic | 6-1 6-3 |
| L | 2R | Xinyu Wang | 6-7 3-6 |
2018 Roland Garros Junior
| W | 1R | Ana Paula Melilo | 7-5 6-1 |
| L | 2R | Caty Mcnally | 7-6 1-6 6-7 |
2018 Australian Open Junior
| W | 1R | Draginja Vukovic | 6-4 6-3 |
| W | 2R | Nicole Mossmer | 6-2 6-2 |
| L | 3R | Naho Sato | 6-7 7-6 1-6 |
2017 Us Open Junior
2017 Wimbledon Junior
| L | 1R | Kayla Day | 5-7 4-6 |
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