Sep.26 (GMM/ HRT’s Chinese test driver Ma Qing Hua might have to sit out next weekend’s Japanese grand prix.

According to Speed Week, the Spanish team intended the 24-year-old to drive Narain Karthikeyan’s car during Friday morning practice at Suzuka next week.

But he is apparently having trouble securing a visa for entry to Japan.

China and Japan – Asia’s two biggest economies – are locked in an escalating row over the disputed Diaoyu islands in the East China Sea.