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Melbourne, Jan 23: Sania Mirza's return to her first Grand Slam after a two-year break was cut short on Thursday when the former world number one was forced to retire midway through her first round match in women's doubles at the Australian Open due to a calf injury.

India's Mirza, who won six Grand Slam doubles titles, took a break from the game after the China Open in October 2017 and gave birth to her son a year later.

The 33-year-old made a winning return to the WTA Tour at this month's Hobart International with Ukrainian Nadiia Kichenok, picking up her 42nd WTA doubles title and the first since winning the women's doubles in Brisbane in 2017.

Mirza said she strained her calf muscle in her right leg during the Hobart final.

"It just got worse in the match. It was bit of a bad strain, but I had a few days off," she told reporters. "So I obviously had to try to do whatever I could to try to get on the court.

"It felt okay when I went on the court, but it was tough to move right. I just felt like I'm gonna tear it or something pretty bad."

Mirza won her first Grand Slam in mixed doubles at the Australian Open in 2009 and also bagged the women's doubles in 2016.

Mirza always believed there was tennis left in her which inspired her comeback, she told Reuters on Sunday.

She had already pulled out of the Australian Open mixed doubles, where she was to partner compatriot Rohan Bopanna.

Mirza and Kichenok were trailing the Chinese pair of Xinyun Han and Lin Zhu 6-2 1-0 on Thursday when the Indian had to call it quits due to the injury.

"As a tennis player you want to compete, it is the Grand Slam. If it's any other tournament, you would probably take a call and be like 'I don't want to risk it'," she said.

Mirza, who is married to former Pakistan cricket captain Shoaib Malik, said she would take two weeks to recover and was hoping to play at next month's Dubai championships.

"When you play a professional sport, injuries are really part of it. And it's something that you have to accept," she said. "Sometimes the timing is really not ideal, it's tough that it happened in a Grand Slam, or just before a Grand Slam."

Some of the ICC guidelines on resumption of cricket border on the impractical and will need a review when the cricketing world is closer to action, feel former players Aakash Chopra, Irfan Pathan and Monty Panesar.

Last week, the International Cricket Council recommended a host of "back to cricket" guidelines including 14-day pre-match isolation training camps to ensure the teams are free from COVID-19.

The world body issued training as well as playing guidelines which will drastically change the way the game is played.

Among them are regular hand sanitising when in contact with the ball, no loo or shower breaks while training, minimising time spent in the changing room before and after a game, no use of saliva on ball and no handing over of personal items (cap, sunglasses, towels) to fellow teammates or the on-field umpires.

"Social distancing is very doable in individual sport but very tough in a team sport like cricket and football. If you need a slip during the game, would you not employ it?

"If the team is going through a 14-day quarantine and is being tested for COVID-19, I am fine with that process. Now, after that, if we have more guidelines for the players during the game, then you are making things complicated. Then there is no point of a quarantine period," former India pacer Pathan told PTI.

Safety cannot be compromised but regularly sanitising hands during the game will be too much to ask from the players.

"Safety is paramount but we should not make the game complicated. If a bowler or fielder has to sanitise hands every time he touches the ball, then it would be very difficult.

"You can shorten the process of giving the ball to the bowler. Instead of the usual chain (wicket-keeper to cover fielder to bowler), the keeper can straight away give the ball to the bowler but even then the bowler will have to sanitise hands six times in an over," said Pathan seeking more clarity on the guidelines.

Former India opener Chopra said it is still pre-mature to prepare a fixed set of guidelines for resumption of cricket as the situation is evolving "every day".

"That (regular hand sanitisation after contact with ball) is obviously impractical but my big question is when the game happens in a bio secure environment and everyone is quarantined and tested, do these additional measures make a difference?

"On the field, I can still understand but what happens when you go back into the dressing room? How do you practice social distancing there? So it becomes quite complicated.

"To be honest it is all very premature. Once they get closer to resumption, which will take some time, there will be more clarity," said Chopra.

International cricket is likely to resume in July with England hosting West Indies and then Pakistan.

Bundesliga football league has already begun in Germany behind closed doors and by the time cricket resumes, more sporting competitions would have restarted and Chopra feels that will help cricket decide the way forward in post COVID-19 times.

"By the time cricket resumes, more football would have started after Bundesliga. Cricket can take lessons from there, collect data and ideas and see what is practical and what is not."

Former England spinner Panesar foresees the start of the England-West Indies series making things a lot clearer for the entire fraternity than they are at the moment.

"The 14 day quarantine is very much needed and well done to the ICC for including that. I think we will see resumption of international cricket with England hosting West Indies in July. We might have some practical ideas then, the other countries would also be watching keenly and will learn how to go about it.

"But measures like regular hand sanitising is not going to be practical. May be you could sanitise every one hour but it can't be regular during the game," said Panesar.

While Pathan feels the on-field safety measures will make managing over-rate a bigger challenge for teams, Chopra said no loo or shower breaks during training won't be that much of an issue.

"Training is still controllable. You don't have to be there for a long time but you would still have to use the restroom at some stage. You may avoid taking a shower but you will have to use the restroom.

"I think the idea of these guidelines is to make cricketers more aware that you have to take care of yourself and inculcate habits which are in everyone's interest in the current scenario," added Chopra.