ATP Finals 
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02:54 
| Best 2018: | 41 |
| Best 2017: | 66 |
| Best 2016: | 60 |
| Best | 41 |
ZhengSaisai | |
| Country | China |
| Age | 24 yo / 170 cm / 62 kg |
| Forehand | Right Handed (Double hand) |
| Birthplace/Residence | Shaanxi |
| Earnings | 2,354,261$ |
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