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The 2018 Grand Slam season comes to an end after Novak Djokovic won the US Open against Juan Martin Del Potro.
As always there were four Grand Slam tournaments that took centre stage throughout 2018.
It started off in January in the city of Melbourne for the Australian Open where Roger Federer defended his title against Marin Cilic.
Caroline Wozniacki finally broke her Grand Slam drought by winning the Australian Open.
The French Open followed in May/June where Rafael Nadal proved that he was still the king of clay winning a record 11th French Open at Roland Garros.
It was another memorable in the women's side of the draw as Simona Halep finally got her no Grand Slam monkey off her back.
The ATP and WTA tours headed to Wimbledon in July which saw Djokovic secure his first major win in two years and Angelique Kerber added a third Grand Slam to her tally and now just needs to win the French Open title to complete a career Grand Slam.
And last weekend hosted a first-ever major win for Naomi Osaka over Serena Williams in a very dramatic match followed by Djokovic back at his very best wrapping up the 2018 major season with two Grand Slam victories.
But what have we learnt from this year's four majors?
Let's find out...
#4 The Women's tour is wide open
Over the last few years when you compare the WTA Tour with the ATP World Tour, the women's league is very unpredictable.
The ATP circuit is known for the over the decade dominance of Djokovic, Roger Federer, Rafael Nadal and Andy Murray winning titles like no tomorrow.
But 2018 saw four different female players win a major tournament.
Three of the four winners this year achieved their first ever Grand Slam win making the season very exciting.
Of course, Serena Williams has recently walked into motherhood so was not always seen on the courts but without her it leaves the sport wide open.
How do you put a bet on the overall winner?
So many contenders for each Grand Slam now and 2019 could be promising.
However, with Williams reaching the US Open final last weekend - this for sure indicates that the 23 time Grand Slam champion is very much back in business.
#3 Djokovic is back!
When Novak Djokovic won in New York on Sunday night, this marked his troubles off the court from 12 months ago.
The Serb took six months out in an attempt to come back stronger.
An inspirational move after Roger Federer and Rafael Nadal took chunks out of their 2016 schedule before they would go on to win two majors each in 2017.
12 months later to the present, Djokovic will wrap up his 2018 campaign with two more majors added to his overall tally of 14 going level with Pete Sampras.
The 31-year-old also won the Cincinnati Masters last month over Federer to become the first player to complete the 'Golden Masters'.
The only major honor Djokovic is missing now from his trophy room is an Olympic gold medal.
Tokyo 2020 is two years from now and it may just be something hovering in the back of his mind.
Overall, Djokovic now has a very good chance of reclaiming the world number one spot before the ATP World Tour Finals is done and dusted in November in London.
#2 The younger generation are struggling to succeed
Yet again in 2018, the next generation in men's tennis finished the 2018 Grand Slam season empty-handed.
Especially for the promising 21-year-old Alexander Zverev.
The world number five struggled to get past the third round at the Australian Open, Wimbledon and the US Open.
His best was reaching the quarter-finals at the French Open.
2018 will go down as another men's tennis season where the youth have performed at ATP tournaments but just not in the four majors.
When Juan Martin Del Potro turns 30 on September 23, all current Grand Slam champions will be either 30 or older.
At some point the likes of Federer, Nadal, and Djokovic will say goodbye to the sport which will mean the future stars will have to step up.
They have a lot to do next year to change it all around.
#1 Will Murray ever be back at his best?
Can you believe that it has been nearly two years since Andy Murray performed that incredible turnaround by becoming world number one for the very first time in his career?
Nearly 24 months later and Murray is now struggling on the men's tour.
Murray bowed out in the third round of the US Open which did not really come down to as a shocking result as the Briton said ahead of the final major of 2018 that he didn't expect to progress far.
At the start of the year, Murray had hip surgery in an attempt to sort out his back problems.
This saw Murray pull out of the Australian Open, French Open, and Wimbledon.
But the three-time Grand Slam winner reaching the third round at the US shows slow progress, but it's progress.
Without a doubt, Murray will not qualify for the season-ending ATP World Tour Finals on his home turf.
But as we step into the last couple of months of the ATP season, Murray can experiment and hope to progress in preparations of coming back to his best for 2019.
What have you enjoyed most from this year's Grand Slam season? Comment below...
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