Carlos Alcaraz's father in eye-opening move amid Novak Djokovic drama at ATP Finals

Carlos Alcaraz's father has been seen potentially scouting World No.1 Novak Djokovic during his heated battle against Holger Rune at the ATP Finals. Djokovic and Rune were involved in an absolute thriller for the second year in a row in Turin with the 24-time grand slam champion winning in a decider.

The Serbian was frustrated in the third set against Rune having snapped two of his racquets after a break of serve. However, coming off a win in Paris last week and looking to win his seventh ATP Finals, Djokovic raised his game in the final set to start his week in Turin with a victory.

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Djokovic's win secured the year-end No.1 ranking ahead of his younger rival Alcaraz. But fans were stunned to find out that Alcaraz's father, also named Carlos Alcaraz, was in attendance.

He has been known to watch Djokovic's training or matches, which could possibly be in a scouting move to help his son. Alcaraz's father could have also just been in attendance to watch the exciting match between last year's winner and Djokovic.

Regardless, Alcaraz could be set for a collision course with Djokovic and opens his ATP Finals tournament with a match against Alexander Zverev. Alcaraz has struggled with form since the final grand slam of the year having lost in a number of shock results.

All but ending his year-end No.1 goal, Alcaraz lost to Roman Safiullin in straight sets in Paris last week. This was before the 21-year-old suffered a shock loss to Grigor Dimitrov in Shanghai, before he withdrew from the Swiss Indoors tournament due to injury.

Djokovic's win in Paris meant he only needed to win one game at the ATP Finals in Turin to finish the year-end No.1.

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There is no doubt Djokovic entered the tournament in the best form of the eighth players and when asked about his odds, the Serbian was adamant. "If I don't want to be humble and be honest, I'm winning the tournament," he declared over the weekend. "If I want to be humble, I'm also winning the tournament." He was now won 19 matches on the trot since his loss to Alcaraz in the Wimbledon final in July.

Djokovic already holds the record for most year-end No.1 titles and will soon become the first male tennis player to hold the No.1 ranking for 400 weeks. He is guaranteed to reach 406 weeks after the ATP Finals with no points available for players to overtake him.

"It means a lot. You could see there was a lit of emotions on the court," Djokovic said after the match. "I was very eager to win tonight's match...I won Paris and it put me in a much better position, rankings-wise, I knew coming into Torino, I just had to win one match."

Djokovic was quick to go over and thank his team after extending his year-end No.1 record.

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