TOP SEEDS WIN AFTER GRITTY COMEBACKS

‘Happy’ Sinner banks on mental strength, as rusty’ Swiatek relies on change of tactics

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Jannik Sinner and Iga Swiatek showed why they are both No. 1 in the world, as they turned around losing situations on Aug 17 to move into the semi-finals of the ATP and WTA Cincinnati Open.

Italy's Sinner prevented his Russian rival Andrey Rublev from repeating a triumph from Aug 10 in Montreal, as he defeated the sixth seed in a 4-6, 7-5, 6-4 fightback.

Polish star Swiatek did the same, as she worked to overcome Russian teenager Mirra Andreeva 4-6, 6-3, 7-5.

Sinner took to the court for only his second match of the week after a first-round bye and a walkover on Aug 16.

whose fitBut the 23-year-old ness has been compromised in recent months by a hip niggle, illness and the tonsillitis which forced him to miss the Olympic Games in

Paris stormed back to win the second set and break to start the third.

He clinched victory in a set where five of the 10 games were breaks of serve. His match-point ball was caught by a gust of wind and put out of the reach of Rublev.