Stadium: Indoor Court 2 Round: 26 Ground: Hardcourt outdoor
| Challenger Jinan MD | 2019/09/04 07:30 | Sun/Wu v Purcell/Saville | 6-7,2-6 |
| Challenger Baotou MD | 2019/08/31 06:15 | Sun/Wu v Nam/Song | 6-7,3-6 |
| Challenger Baotou MD | 2019/08/30 07:40 | Nedelko/Takeuchi v Sun/Wu | 6-7,4-6 |
| Challenger Baotou MD | 2019/08/29 10:30 | Ortega-Olmedo/Song v Sun/Wu | 2-6,2-6 |
| Challenger Shanghai MD | 2018/09/13 07:30 | Hsieh/Rungkat v Sun/Wu | 6-4,5-7,10-1 |
| Challenger Shanghai MD | 2018/09/12 07:30 | Sun/Wu v Bublik/Kecmanovic | 6-2,6-4 |