Johannesburg: World number one Novak Djokovic has referred 2015 as the best season of his career so far following another title win at Shanghai Masters on Sunday.
Djokovic continued his rich vein of form as he brushed Jo-Wilfried Tsongain aside 6-2, 6-4 to clinch his ninth title of the season.
Reacting on his performance, the 10-time Grand Slam champion said that he has been performing well since first match in Beijing and going great energy-wise, Sport24 reported.
The Serbian asserted that he has been playing best tennis since few weeks, but, however, said that he doesn't want to be carried away by the success as there are many more years to come.
Djokovic also admitted that he needs to stay committed and determined if he wants to continue his winning momentum.
The 28-year-old Serbian has also clinched three of the four Grand Slam titles this year namely Australian Open, Wimbledon and US Open.