Australian tennis player Nick Kyrgios has been provisionally suspended after the International Tennis Integrity Agency announced that he returned a positive test for cocaine during competition in Spain.

Kyrgios has acknowledged the result and described the situation as a major mistake. The provisional suspension means he is temporarily unable to compete while the anti-doping process continues.

The development is another significant moment in the career of the Australian star, who has been one of the most recognisable and controversial figures in international tennis.

The positive result relates to an in-competition test, making the matter subject to the rules administered by the sport's anti-doping authorities. A provisional suspension is not the same as a final finding or completed disciplinary decision. The case will proceed through the relevant process before any final outcome is determined.

Kyrgios has previously spoken publicly about the pressures associated with professional tennis and the difficulties he has experienced throughout his career. His latest situation is likely to generate considerable attention because of his profile within Australian sport.

The announcement comes as Kyrgios continues his professional tennis career after periods affected by injuries and time away from competition. His return to the tour had generated interest among Australian tennis supporters, making the latest development particularly significant.

The anti-doping process is designed to establish the circumstances surrounding a positive test and determine what action, if any, should ultimately be taken. Athletes have rights within that process, including opportunities to respond to allegations and challenge relevant findings.

Kyrgios has publicly acknowledged the mistake, but the final consequences will depend on the formal proceedings under the applicable anti-doping rules.

The situation also highlights the strict requirements professional athletes face when competing internationally. Tennis players are subject to testing programs intended to protect the integrity of competition and ensure that prohibited substances are handled according to established rules.

For Australian tennis fans, the news is a major development involving one of the country's most internationally recognised players.

The provisional suspension could affect Kyrgios's immediate competition schedule while the case progresses. Further information is expected as the relevant authorities complete their assessment.