Madrid: British tennis ace Andy Murray continued to lead the men's Association of Tennis Professionals world singles rankings, released on Monday.

Serbian Novak Djokovic came in second, followed by Swiss Stan Wawrinka and Roger Federer in third and fourth place, respectively, reports Efe.

Spaniard Rafael Nadal dropped two positions to the seventh place, while Japanese Kei Nishikori jumped to the fifth position.

Meanwhile, German player Angelique Kerber continued to lead the Women's Tennis Association world rankings, released on Monday, with 7,335 points.

United States tennis player Serena Williams came in second, followed by Czech Karolina Pliskova, reports Efe.

Spanish Garbiñe Muguruza remained in the sixth spot.

The current ATP rankings and point scores are as follows:

1. Andy Murray (UK) 11,600 points

2. Novak Djokovic (Serbia) 7,905

3. Stan Wawrinka (Switzerland) 5,605

4. Roger Federer (Switzerland) 5,125

5. Kei Nishikori (Japan) 4,310

6. Milos Raonic (Canada) 4,165

7. Rafael Nadal (Spain) 3,735

8. Marin Cilic (Croatia) 3,385

9. Dominic Thiem (Austria) 3,385

10. Jo-Wilfried Tsonga (France) 2,905

The current WTA rankings and points are as follows:

1. Angelique Kerber (Germany) 7,335 points

2. Serena Williams (US) 7,010

3. Karolina Pliskova (Czech) 6,020

4. Dominika Cibulkova (Slovakia) 5,065

5. Simona Halep (Romania) 5,022

6. Garbiñe Muguruza (Spain) 4,790

7. Johanna Konta (Britain) 4,330

8. Agnieszka Radwanska (Poland) 4,290

9. Svetlana Kuznetsova (Russia) 4,025

10. Madison Keys (US) 3,857