![Former World No.4 Kei Nishikori to compete in the National Bank Challenger Tournaments in Calgary and Drummondville - Tennis Connected Former World No.4 Kei Nishikori to compete in the National Bank Challenger Tournaments in Calgary and Drummondville - Tennis Connected](https://tennisconnected.com/home/wp-content/uploads/2021/10/Kei-Nishikori-US-Open-2021.jpg)
Former World No.4 Kei Nishikori to compete in the National Bank Challenger Tournaments in Calgary and Drummondville - Tennis Connected
![Kei Nishikori reveals comeback plans - and he wants his old ranking back - TennisBuzz - Breaking tennis news, live scores and features Kei Nishikori reveals comeback plans - and he wants his old ranking back - TennisBuzz - Breaking tennis news, live scores and features](https://tennisbuzz.net/.image/ar_1:1%2Cc_fill%2Ccs_srgb%2Cfl_progressive%2Cq_auto:good%2Cw_1200/MTkxNjM5NTAxNTc0NTE0MzM5/kei-nishikori-us-open.jpg)
Kei Nishikori reveals comeback plans - and he wants his old ranking back - TennisBuzz - Breaking tennis news, live scores and features
![TENNIS/ Djokovic dispatches old rival Nishikori to reach fourth round | The Asahi Shimbun: Breaking News, Japan News and Analysis TENNIS/ Djokovic dispatches old rival Nishikori to reach fourth round | The Asahi Shimbun: Breaking News, Japan News and Analysis](https://p.potaufeu.asahi.com/4eff-p/picture/26352462/a13ea86d21a93753c7ad07268648bef3.jpg)