Novak Djokovic "pleased" with performance against Andreas Seppi

Novak Djokovic celebrates defeating David Ferrer at the Australian Open tennis championship on January 24, 2013
© AP Photos
Novak Djokovic says that he is getting better after reaching the semi-finals of the Dubai Tennis Championships.

World number one Novak Djokovic believes that his performances are getting better following victory over Andreas Seppi at the Dubai Tennis Championship.

The Serb booked a semi-final date with fourth seed Juan Martin del Potro after disposing of the Italian 6-0 6-3 in the United Arab Emirates.

"I'm pleased that it was an even better performance than in my first two matches," Djokovic told reporters.

"I'm elevating my level. Hopefully I can sustain that."

The other semi sees Roger Federer take on Tomas Berdych.

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ATP RankingsPoints
1Scotland flag Andy Murray7,750
2Spain Rafael Nadal7,555
3Switzerland Roger Federer7,145
4Switzerland Stanislas Wawrinka5,780
5Serbia Novak Djokovic5,325
6Croatia Marin Cilic5,155
7Alexander Zverev4,470
8Austria Dominic Thiem4,030
9Japan Kei Nishikori3,285
10Canada Milos Raonic3,230
11Bulgaria Grigor Dimitrov3,070
12France Jo-Wilfried Tsonga2,770
13Belgium David Goffin2,560
14Spain Roberto Bautista Agut2,425
15Czech Republic Tomas Berdych2,390
16United States Jack Sock2,335
17Pablo Carreno Busta2,305
18Lucas Pouille2,220
19United States John Isner2,110
20United States Sam Querrey2,060