Antonio Díaz (karateka)

Diaz's first achievement was reaching gold at the 5th Young Pan American Karate Do Championship back in 1993 in Salinas, Puerto Rico.[9]

Diaz won his first Olympic Cycle competition at the 1998 Central American and Caribbean Games held in Maracaibo, Venezuela.[10] Nowadays, Diaz holds the following medals in Olympic Cycle competitions: three gold medals at the Bolivarian Games,[11] five at the South American Games,[12] six at the Central American and Caribbean Games,[13] and one gold and one silver at the Pan American Games.[14]

He participated at the Young WKF World Championship in 1999 in Sofia, Bulgaria, where finished ninth.[15]

Diaz has participated at the PKF Pan American Championship since 1998 achieving gold 16 times and reaching the podium in every edition.[16]

Diaz has two gold medals and three bronze ones achieved at the World Games. He finished at the third place at the 2017 edition.[17][18]

He won the two first staging of the Premier League Karate1 in 2011 and 2012.[19]

The Karate World Championships are the highest level of competition for karate organised by the World Karate Federation. Antonio Diaz has reached the podium in the kata category eight times. He has won the gold twice, holding the world champion title.[20]

Tokyo 2008 was his first time at the final round. He earned the silver medal after losing a tight battle against Luca Valdesi with the score 3–2.[21] His first gold medal would come two years later in Belgrade 2010 against Valdesi with the score 4–1.

In Paris 2012 he was World Champion again. Moreover, he finished with the perfect score of 5-0 all his encounters, an unprecedented situation in the competition. The final competition was against the local karateka Minh Dack.[22]

The 2014 championship held in Bremen, Germany, was not easy for Diaz. He encountered at first round Mattia Busato, who was the European champion at that time. Nevertheless, he won with the tight score 3–2. He fell in quarter finals against the German Ilja Smorguner.[23]

He reached the podium in Linz 2016. This time he lost in semi-finals against Ryo Kiyuna with a 3–2 score, but he won the repechage with a 5–0 score against the Malaysian W. Lim Chee.[24]

In the 2018 World Championship held in Madrid, Diaz lost his semifinal round to Spain's Damian Quintero 0–5.[25]

Between 2001 and 2012, Diaz encountered 19 times the Italian Luca Valdesi. Diaz won 9 times; their last encounter was during the Germany 2012 Premier League.[31]

Ryo Kiyuna is the current world champion in the kata category. He has encountered Diaz 6 times; Diaz won five of these occasions.[32]