After pulling out of the Stuttgart semifinals with an abdominal injury, Naomi Osaka is regrouping at the Rafa Nadal Academy in Mallorca.

She's in good company at the home of world No. 2 Rafael Nadal, as both prepare for next week's Madrid Open.

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Osaka is still holding onto the No. 1 ranking, although Petra Kvitova has closed the gap after winning Stuttgart.

The Czech is behind by just 136 points. The gap will widen a little bit as Kvitova is not defending her title in Prague this week.