• Charlie Eccleshare

The possible reforms are an attempt to shorten the length of matches and make the sport as attractive as possible to supporters and television companies, without losing the essence of the sport.

Samantha Stosur has started her claycourt season with a straight-sets win over former world No.1 Jelena Jankovic at the WTA tournament in Charleston.

• Phil Lutton

Nick Kyrgios says he is in the best headspace of his career and returning to Davis Cup duties will further lift his game.

'I'd be feeling the pressure if I were in Nick Kyrgios' shoes,' says United States captain Jim Courier.

• Eamonn Tiernan

Nick Kyrgios' Miami Open semi-final against Roger Federer one of the greatest matches ever played.

• Stephanie Myles

Roger Federer continued his recent mastery of Rafael Nadal when he beat his great rival 6-3 6-4 in the final of the Miami Open on Sunday.

• Darren Walton

Nick Kyrgios is vowing to keep his head down after confirming his status as a grand slam champion in waiting.

• UPDATED

Roger Federer needed more than three hours to outlast Nick Kyrgios 7-6(9) 6-7(9) 7-6(5) in a pulsating Miami Open semi-final on Friday to set up another mouthwatering final clash with Rafa Nadal.

• Jamie Marcuson

Nick Kyrgios continues his rich vein of form against the Swiss maestro for a spot against Rafael Nadal in the Miami Open final.

Spaniard so eager to reach the Miami Open final that he ran out of his shoe.

• Linda Pearce

A career that has been on the decline for six months is now on the precipice of a nasty freefall.

• Phil Lutton

The Australian captain said fatigue would not be an issue for his top-ranked charge as the Australians begin preparations for the Davis Cup tie against the USA in Brisbane next week.

• UPDATED

Australia's Nick Kyrgios will play Roger Federer in the semi-finals of the Miami Open after both won their quarter finals on Friday morning, AEDT.

Nick Kyrgios has continued his hot run with a straight-sets fourth-round defeat of eighth seed David Goffin at the Miami Open.

• Phil Lutton

Bernard Tomic remains in exile after Australian captain Lleyton Hewitt named an unchanged team for next month's Davis Cup quarter-final against the United States in Brisbane.

Australia's Samantha Stosur wasted a match point before crumbling to a three-set loss to Simona Halep in the fourth round of the Miami Open.

A frustrated Nick Kyrgios has prevailed over big-serving Ivo Karlovic in three tough sets to progress to the fourth round of the Miami Open.

• Eamonn Tiernan

Kyrgios hosted a Q&A; with his Twitter followers where he called for equality in player sanctions.

• Gene Cherry

Rafael Nadal has recovered from a dismal start to beat Philipp Kohlschreiber in the third round of the Miami Open.

• Warren Barnsley

Samantha Stosur has progressed to the fourth round of the Miami Open with a tough three-set victory over Shuai Peng.

• Gene Cherry

Second seed Kei Nishikori of Japan outlasted Spain's Fernando Verdasco 7-6(2) 6-7(5) 6-1 in a nearly three-hour marathon match at the Miami Open.

Volatile Australian beats Damir Dzumhur in second-round clash, after copping a code violation for swearing at a spectator.

Australia's Ajla Tomljanovic has scored an upset victory over world No.13 Elena Vesnina at the Miami Open.

• Eamonn Tiernan

ACT Claycourt International top seed Jordi Samper-Montana's brother plays for Barcelona FC.

Nick Kyrgios has copped his share of match fines but his willingness to jokingly stick the boot into others over on-court misbehaviour may have landed him an adversary.

• Linda Pearce

Australian tennis comeback star Ashleigh Barty has stretched her winning streak to eight matches by beating former top-five player Eugenie Bouchard at the Miami Open.

• Eamonn Tiernan

The ACT Claycourt International has marked a successful comeback for former tennis prodigy Jason Kubler.

Kyrgios will open his campaign in Miami against either Damir Dzumhur or Hyeon Chung - both ranked outside the world top 50.

• Christopher Clarey

For a man who has, in his own mind, not yet completed his comeback, Roger Federer is faring rather well.