UEFA says it is confident Real Madrid's Champions League clash with Manchester City will go ahead as planned next week despite one of the Spanish side's players testing positive for Covid-19.

Real confirmed on Tuesday that forward Mariano Diaz had tested positive, casting doubt on his participation in the 8 August second-leg tie at the Etihad Stadium.

Mariano was a long shot to face City to begin with, having been a fringe player for Madrid this season. He has made only seven appearances this campaign, five of them as a substitute in LaLiga, and has not appeared in a Champions League matchday squad.

"UEFA is in contact with the club and monitoring both the situation and decisions of the relevant Spanish authorities," European soccer's governing body said in a statement.

"We are confident that this case will not affect the regular staging of the match in question."

Real trail Manchester City 2-1 from the first leg of their last-16 tie before the competition was suspended in March.

Spain has seen a surge in CovidD-19 positives with thousands of new cases reported on a daily basis in the past week, taking its tally up to over 298,000 cases.