Former Australia captain Ricky Ponting has lamented his form for the Mumbai Indians in this season's Indian Premier League, and says he and Sachin Tendulkar must do better at the top of the order if the team is to progress.

Ponting has a highest score of just 28 in five innings for Mumbai, while Tendulkar has a total of only 69 runs in the same number of digs, and three times has one of the esteemed pair of openers been dismissed in the the first over.

Things have hardly gone to plan for the two legends of the game, with only two half-century stands together in the IPL, and both were out by the third over in Mumbai's 87-run defeat to Rajasthan Royals in Jaipur on Wednesday.

Ponting says he expected a lot more of himself going into the tournament, claiming to be disappointed by his form, and realises he and Tendulkar must improve to give Mumbai Indians a chance of claiming a maiden IPL crown.

"The two guys at the top of the order haven't done the job required off them by the team," Ponting told reporters following the crushing loss to the Royals.

"We are five games into the tournament; both of us need to play better. If we want to continue winning games and if we want to be the team at the end of it that holds the trophy up, then you need everyone in the team performing more often than not.

"Neither of us has played as well as we would have liked. I'd expect a lot from myself from the first few games compared to what I have delivered."

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