Even after 15 Grand Slam titles and at the age of 31, Serena Williams says the best is still to come, after ending a remarkable comeback season with the WTA Championships title she first won over a decade ago
“I definitely think I can improve some more,” she said after battering an in-form Maria Sharapova to a 6-4, 6-3 defeat with an outstanding display of serving and heavy hitting in Istanbul on Sunday.
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“Especially when I was out there I thought, ‘Okay, I want to work on this in November’ (during the close season). And, ‘Oh, okay, I’m going to work on that one in November’.
“So, I was thinking of all these things I can work on and I can improve on. I think every day, whether it’s life or whether it’s playing tennis, we always can improve as people or as whatever we do.”