WATCH: Nadal, Puig, Luis Fonsi light up Desert Smash

By Cody FitzpatrickPublished February 27, 2019

The Mexican Open in Acapulco is known for having some of the most fun pre-tournament events on tour: Last year, SpongeBob Squarepants made an appearance alongside Rafael Nadal, and this time, "Despacito" singer Luis Fonsi came out to play.

Fonsi tested his tennis skills at Sunday's the Desert Smash event, alongside Stan Wawrinka and fellow Puerto Rican star Monica Puig.

He even sang his No. 1 hit a-cappella for the crowd:

Also, at the tournament's Kids' Day, children got to hit the court with Nick Kyrgios ...

Steve Johnson ...

.@SJohnson_89 🇺🇸 , campeón de “Raquetazos” en el #KidsDay del #AMT2019. pic.twitter.com/Y8NoANqy9K
— Abierto Mexicano (@AbiertoTelcel) February 24, 2019

John Millman ...

Fist pump! @johnhmillman 🇦🇺 and Alexandra are the new kings of our court! 👊👑👑👊 pic.twitter.com/1D6y9iFZvY
— Abierto Mexicano (@AbiertoTelcel) February 24, 2019

Maria Sakkari and more:

#KidsDay, el lugar donde niños conocen a los tenistas y los tenistas vuelven ser niños.#AMT2019 #CelebratingTennis pic.twitter.com/BGLv0Oa1IL
— Abierto Mexicano (@AbiertoTelcel) February 24, 2019

The stars of these events have fared well in Acapulco so far, with Nadal and Kyrgios set to meet in the second round, on Wednesday, and Puig scoring a three-set upset over No. 6 seed Sakkari.