Results
| WTA Sao Paulo | 09/14 18:00 | 29 | [214] Tiantsoa S R Rajaonah v Janice Tjen [130] | 6-3,6-4 | |
| WTA Sao Paulo | 09/13 16:00 | 28 |
[130] Janice Tjen v
Francesca Jones
[85] 
|
7-6,6-3 | |
| WTA Sao Paulo | 09/12 16:00 | 27 |
[130] Janice Tjen v
Alexandra Eala
[61] 
|
6-4,6-1 | |
| WTA Sao Paulo | 09/10 18:00 | 26 |
[130] Janice Tjen v
Martina Okalova
[464] 
|
6-1,6-0 | |
| WTA Sao Paulo | 09/08 19:10 | 25 |
[95] Leolia Jeanjean
v
Janice Tjen [130] |
2-6,3-6 | |
| US Open Women | 08/27 15:00 | 24 |
[36] Emma Raducanu
v
Janice Tjen [149] |
6-2,6-1 | |
| US Open Women | 08/24 17:00 | 23 |
[149] Janice Tjen v
Veronika Kudermetova
[25] 
|
6-4,4-6,6-4 | |
| US Open Women | 08/22 15:00 | 19 |
[82] Aoi Ito
v
Janice Tjen [147] |
1-6,2-6 | |
| US Open Women | 08/21 15:00 | 15 |
[177] Maja Chwalinska
v
Janice Tjen [147] |
5-7,5-7 | |
| US Open Women | 08/19 20:55 | 14 |
[147] Janice Tjen v
Varvara Lepchenko
[125] 
|
6-3,6-1 | |
| ITF W100 Landisville | 08/10 17:45 | - |
[134] Petra Marcinko
v
Janice Tjen [170] |
7-6,3-6,6-4 | |
| ITF W100 Landisville | 08/09 16:30 | - |
[137] Jessika Ponchet
v
Janice Tjen [170] |
4-6,3-6 |