Novak Djokovic, Jelena Ristic Novak Djokovic, Jelena Ristic

Tennis champ Novak Djokovic can add another title to his resume: proud Dad.

Djokovic, 27, and his wife Jelena Ristic, 28, welcomed a "wonderful, healthy and a lovely boy" Tuesday in Nice, France, according to a post on Djokovic's website. They named the baby Stefan.

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"The birth went in the best possible manner, baby and the mother feel well," the announcement says.

"Stefan, our baby angel was born!" Djokovic tweeted Wednesday. "I am so proud of my beautiful wife Jelena! Thank you so much for your love and support. We love you all!!!"

Djokovic and Ristic, who were high school sweethearts, got married in July, less than a week after he won his second Wimbledon title. According to his website, Djokovic plans to defend his ATP Masters title in Paris next week.

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