Rain has delayed the start of Bernard Tomic's Olympic debut and his opening round singles clash against 15th seed Kei Nishikori of Japan.

The match had been due to start at 11.30am on Sunday (London time), but rain began to fall moments before the players were about to enter the court.

Lleyton Hewitt is also scheduled to play later this afternoon.

The pair are attempting to salvage Australia's individual hopes in the tennis after best bet Sam Stosur was bundled out of the competition a day earlier to lesser-ranked Spainard Carla Suarez Navarro.

NZ Newswire

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