Juan Martin Del Potro is out of the Japan Open in Tokyo . If I work in a good way , I will be in good shape in a month or so . '' He was defeated by Spain 's Marc Lopez 6 - 2 6 - 0 . Jelena Jankovic is out of the China Open after losing to Marta Radwanska .
Juan Martin Del Potro is out of the Japan Open in Tokyo . He was defeated by Spain 's Marc Lopez 6 - 2 6 - 0 . Jelena Jankovic is out of the China Open after losing to Marta Radwanska .