Kyrgios upsets Wawrinka in Madrid

Nick Kyrgios knocked out fourth seed Stan Wawrinka to reach the third round of the Mutua Madrid Open on Wednesday.

The Australian swept the defending French Open champion aside in straight sets, winning 7-6 (9-7), 7-6 (7-2) in a touch under two hours in Spain.

The opening set was a tense affair, though the Swiss had the upper hand on a number of occasions, earning four break points. But Kyrgios found a way to save all of them as they entered into a tie-breaker.

Both players squandered set points before Kyrgios won three points in a row to seize the advantage.

The pair were simply too strong on serve in the second set, as neither even faced a break point on the way to another tie-breaker.

At 2-5 down, Wawrinka had Kyrgios on the ropes after a long rally and came to the net to hit the winning volley, only to hit the tape.

Kyrgios them served out the set in style to claim only his second ever win over Wawrinka.

In other results, eighth seed tomas Berdych eased Past Denis Istomin 6-3, 6-3 while 15th seed Roberto Bautista Agut survived second set comeback from fellow Spaniard Fernando Lopez to win 6-3, 5-7, 7-5.