Carlos Alcaraz and Joao Fonseca were involved in an unfortunate yet humorous mishap during their mixed doubles showdown in Miami. The Spaniard was quick to shrug off the accident without taking any offense.After suffering a loss to Frances Tiafoe at the A Racquet for The Rock event in New Jersey, Alcaraz flew to Florida to square off against Fonseca in the Miami Invitational. Amanda Anisimova and Jessica Pegula joined the duo at the star-studded exhibition event.During the event, Carlos Alcaraz and Jessica Pegula took on Joao Fonseca and Amanda Anisimova in a blockbuster mixed doubles clash. Although it was only an exhibition, Fonseca did not hold back and unleashed a powerful forehand that ricocheted off Alcaraz's racket and struck him square in the face.The World No. 1 immediately broke into a smile despite the hit but signaled to Fonseca to watch out for payback, while the Brazilian held up his hands in apology.Alcaraz and Pegula went on to triumph in the mixed doubles tiebreak, beating Fonseca and Anisimova 10-8. Meanwhile, Anisimova overcame her 0-3 record against Pegula and claimed a 6-2, 7-5 victory in their singles clash."Carlos Alcaraz is so important to our sport" - Joao Fonseca shares his thoughts on the SpaniardCarlos Alcaraz and Joao Fonseca - Source: GettyIn an interview with SportTV ahead of their Miami showdown, Joao Fonseca spoke glowingly about Carlos Alcaraz's importance in the tennis world and reflected on his rewarding experience of practicing with the World No. 1 at Wimbledon."He’s so important to our sport, and just being there (they trained together at the last Wimbledon), experiencing that moment with him, meant a lot to me," Fonseca said (Translated from Portuguese).Fonseca opened up about how the six-time Grand Slam champion had played an "invaluable" role in his development. He also said that Alcaraz referring to him as a "special and incredible" player gave him a major boost of confidence."Watching his training, seeing how he prepares for matches, it’s been invaluable for my own development. And recently receiving a compliment from him, as you mentioned, is something really important that helps me keep going and maintain my confidence," he added.Carlos Alcaraz and Joao Fonseca locked horns in a thrilling showdown at the Miami Invitational, with the Spaniard claiming a hard-fought 7-5, 2-6, 10-8 victory. The World No. 1 will now head to his coach Juan Carlos Ferrero's academy in Spain, where he is set to train with Flavio Cobolli.