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As the first tennis Grand Slam of the season reaches the business end, there is a place in the semi-finals at stake in today's singles matches.

World number one Rafael Nadal is aiming to win his 20th Grand Slam title, which would put him level with Roger Federer as the most successful male player ever.

Meanwhile, Serena Williams is also looking to make tennis history with a 24th Grand Slam success, which would see her draw level with Margaret Court鈥檚 all-time record.

Presented by Katherine Downes.