As the ATP tour hots up, players and fans alike are eagerly awaiting the next Masters 1000 of the year.
The players head over to Indian Wells, California, later this month - the first time the top six have competed against each other since the Australian Open.
With Novak Djokovic in dominant form he is no doubt the tournament's favourite, but following Juan Martin del Potro's comeback Nick Krygios' first title win, it's anyone's game.
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Fans are hoping to see some entertaining and captivating tennis - but who will come out on top at Indian Wells?
Undoubtedly the best player on tour right now, Djokovic already has the Australian Open under his better and is looking add to that.
He beat Roger Federer in last year's final and will be keen to successfully defend his crown, especially so having accumulated four titles in California.
The Scotsman, like Djokovic, enjoys playing on hard courts and will be eyeing his first Indian Wells title this month.
Like Federer, Murray was knocked out by the Serbian holder last year.
The 2015 finalist will want to avenge last year's pulsating defeat to Djokovic, but the fact he hasn't played since the Australian Open semi-finals might not work in his favour.
But good news - the Swiss is back on the court and training after undergoing knee surgery three weeks ago.
Nadal faces the daunting task of claiming victory at Indian Wells on the back of successive semi-final defeats on clay, especially given hard courts are his least favourite surface.
However, the former number one has won this tournament three times and excelled when few thought he would - could history repeat itself?
Two-time Grand Slam champion Wawrinka will be looking to get his second Masters 1000 win under his belt before defending the French Open in May.
The Swiss enters the tournament on the back of victory at the Chennai Open, where he beat Borna Coric in the final.
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