The good, the bad and the ugly from Andy Murray in Wimbledon practice session ahead of D-Day

There were some suggestions that he would face up to three months out injured but - as he's proven throughout his career - his resilience, perseverance and sheer desire have got him to Wimbledon as part of his farewell tour.

The 37-year-old underwent an operation on his back just last week and his initial practice sessions at the weekend suggested a lot of work still needed to be done in order to get to a point where he felt confident enough to compete.

That's still a question mark going into Tuesday, where he's been scheduled last on Centre Court to face Tomas Machac in the men's singles.

After it was announced that Murray would be playing in the men's doubles with his brother Jamie at Wimbledon, there was an expectation that he would skip the singles draw.

But Murray is leaving it until the last minute to make a final decision on whether he will play Tuesday or not.

Nodody apart from Murray and his family will know what he decides to do before Monday evening.

However, Monday's practice session with Kyle Edmund gave a strong indication how close - or how far away - he is from being ready to compete.

He spent an hour and a half hitting with Edmund, who was making his return to Wimbledon for the first time in four years.

Rallies were few and far between but they highlighted Murray's biggest issue being his lack of movement still.

Murray was almost stuck in his spot at times whenever Edmund would find the corners.

The former British No 1 is competitive when he's fully charged and racing across the baseline.

No player runs full pelt in a practice session, but Murray is usually more proactive when he's feeling fully fit and there were plenty of moans and groans in between points to suggest he was far from content.

Murray even admitted after he walked off the practice court that he still wasn't sure he had 'enough to compete' with a decision to be made once he talks to his team and his family.

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The biggest positive Murray will take from the session will be his incredible shotmaking ability has still not evaded him.

A creative lobbed drop shot caught Edmund off guard at one stage and some inventive forehand winners helped him win the practice session overall 6-3 2-0.

A morale-boosting result and nothing more and Tuesday's scheduled match against Machac will be a different kettle of fish.

Murray is fully aware of that and its why he's leaving it until the last opportunity to decide whether he will play or not.

Decision day is fast approaching though and Murray's practice session on Monday still left some unanswered questions.