World number one Novak Djokovic is through to the Australian Open men’s fourth round in Melbourne. The defending champion was made to work hard for his 6-1, 7-5, 7-6 win over Italy’s Andreas Seppi. The Serb will meet France’s Gilles Simon next.
Four time champion Roger Federer is also through to the fourth round. Federer defeated Grigor Dimitrov 6-4, 3-6, 6-1, 6-4 on Rod Laver. The Swiss hit 13 aces and powered 48 winners beyond the Bulgarian.
Earlier, seventh seed Kei Nishikori also needed a fourth set to oust Spain’s Guillermo Garcia-Lopez in third round. The Japanese triumphed 7-5, 2-6, 6-3, 6-4 in 168 minutes at the Margaret Court Arena. Nishikori hit 33 winners but will want to improve on his 38 unforced errors.
Jo-Wilfriedn Tsonga was also a winner on the day. The Frenchman progressed beyond Pierre-Hugues Herbert 6-4, 7-6, 7-6 at the Margaret Court Arena. On the doubles court South Africa’s Raven Klaasen and American partner Rajeev Ram defeated Steve Johnson and Sam Querrey of the United States 3-6, 6-3, 7-6 to win through to the men’s doubles third round.