Alistair McCaw, a performance specialist to tennis stars including Jelena Dokic, has been watching the action close-up in Madrid.

CNN: May 11, 2012 -- Updated 2124 GMT (0524 HKT)

Stevenson, who came through a gruelling three-setter against fifth seed Jelena Dokic on Thursday, looked tired and was often caught flat-footed.

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Another feature match on Monday sees Australia's Jelena Dokic take on former world number one Ana Ivanovic on Pat Rafter Arena.

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