Janice Tjen
2019
| JAPLANTATION | Quarter | |
| J1 BRADENTON | 1R | |
| JAMERIDA | 1R | |
| J1 CANCUN | 2R | |
| J5 SURABAYA | [1] | Win |
| J5 SELANGOR | [1] | Quarter |
| J3 SARAWAK | [1] | Win |
| J5 ADELAIDE | [1] | Win |
| J4 JAKARTA-2 | [1] | Final |
| J4 JAKARTA | [1] | Win |
| J3 KUALALUMPUR | [6] | Quarter |
| J1 SARAWAK | 1R | |
| J3 SHENZHEN | [3] | 1R |
Nation
INA
World Ranking
WTA Ranking　40th
Year-end Junior World Ranking
- Year-end 2020 138th
- Year-end 2019 107th
- Year-end 2018 173th
Rival
yifan sun (2-0)
Match Details
2019 JAPLANTATION
| W | 1R | Fiona Crawley | 6-3 6-2 |
| W | 2R | Eleana Yu | 6-1 6-4 |
| W | 3R | Jada Bui | 6-3 6-1 |
| L | QF | Alexandra Eala | 1-6 4-6 |
2019 J1 BRADENTON
| L | 1R | Linda Fruhvirtova | 3-6 2-6 |
2019 JAMERIDA
| L | 1R | Robin Montgomery | 1-6 4-6 |
2019 J1 CANCUN
| W | 1R | Renata Castillo | 6-0 6-0 |
| L | 2R | Shavit Kimchi | 5-7 7-5 3-6 |
2019 J5 SURABAYA
| W | 1R | Nanaho Yokota | 6-4 3-6 6-1 |
| W | 2R | Freya Athallah Zayyan | 6-0 6-1 |
| W | QF | Aulia Risma Widyaningsih | 6-4 6-3 |
| W | SF | Yu Hua Cheng | 6-1 6-4 |
| W | F | Felicia Halim | 6-2 6-2 |
2019 J5 SELANGOR
| W | 2R | Qian Er Qiu | 6-3 6-3 |
| W | 3R | Honoka Umeda | 6-3 5-7 6-2 |
| L | QF | Elysia Wan | - - - |
2019 J3 SARAWAK
| W | 2R | Elsa Wan | 6-2 6-1 |
| W | 3R | Han Shi | 6-3 4-6 6-1 |
| W | QF | Chao-Yi Wang | 7-5 6-4 |
| W | SF | Mei Hasegawa | 6-4 6-0 |
| W | F | Madeleine Jessup | 6-3 3-6 6-1 |
2019 J5 ADELAIDE
| W | 1R | Ruby Fraser | 6-1 6-4 |
| W | 2R | Mia Tsoukalas | 6-0 6-2 |
| W | QF | Jessie Culley | 7-6 6-3 |
| W | SF | Jasmine Adams | 6-3 6-3 |
| W | F | Taylah Preston | 6-4 2-6 6-3 |
2019 J4 JAKARTA-2
| W | 2R | Niken Ferlyana Kusumaningtyas | 6-4 6-3 |
| W | 3R | Nadya Dhaneswara | 6-0 6-0 |
| W | QF | Yifan Sun | 6-4 7-5 |
| W | SF | Shuoran Wang | 6-7 6-2 6-3 |
| L | F | Fitriani Sabatini | 4-6 3-6 |
2019 J4 JAKARTA
| W | 1R | Priyanshi Bhandari | 6-3 6-0 |
| W | 2R | Dainhee Kim | 7-6 6-1 |
| W | QF | Yifan Sun | 7-6 6-0 |
| W | SF | Wei Ning Fang | 7-5 6-3 |
| W | F | Vineetha Mummadi | 7-5 6-4 |
2019 J3 KUALALUMPUR
| W | 1R | Veda Raju Prapurna | 6-1 6-1 |
| W | 2R | Aimee Brown | 6-2 6-1 |
| W | 3R | Jiaqi Huang | 3-6 7-5 6-4 |
| L | QF | Mai Napatt Nirundorn | 2-6 1-6 |
2019 J1 SARAWAK
| L | 1R | Sena Takebe | 6-2 5-7 0-1 |
2019 J3 SHENZHEN
| L | 1R | Le Yi Liu | 3-6 5-7 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 11269, Number of registered players: 7,130, Number of registered results: 412,926