Novak Djokovic has advanced to the semifinals at the Geneva Open on his 38th birthday and he celebrated by beating the opponent who eliminated him at the Madrid Masters last month.

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GENEVA—Novak Djokovic overcame soggy conditions on his 38th birthday to beat Matteo Arnaldi on Thursday and reach the Geneva Open semi-finals in a tune-up

Novak Djokovic continues to improve at the Geneva Open. The Serbian phenom defeated Matteo Arnaldi, taking revenge of an early exit in Madrid at hands of the young italian player.

Djokovic is eyeing his 100th ATP title in Geneva and a boost ahead of Roland Garros. The Serb came to Geneva with a 0-2 score on clay this spring following early losses in Monte Carlo and Madrid. He has raised his level in Switzerland, beating two rivals in straight sets and hoping for more on Friday and Saturday.

If there is one tennis player who knows how to beat the odds when they are stacked against him, it is 24-times Grand Slam champion Novak Djokovic. The 38-year-old Serbian's bid for a fourth French Open crown looks more unlikely than in many years,

Novak Djokovic expressed his happiness at "breaking the ice" after securing his first clay-court victory of the season at the Geneva Open. The 24-time Grand Slam champion delivered a notable performance to defeat Marton Fucsovics in a revitalizing win that showcased a very high level from the Serbian.