"I'm very happy. It was a great match, I didn't make any mistakes. Casper is a really great player, very attractive to play, I think there were many good rallies, it was a good match from both of us," said the newly-crowned US open champion.
The three competitions will be staged in a 'bubble' which can provide the maximum safety for players and officials.
Real Madrid won 2-0 away at Levante in a game played in Villarreal's El Madrigal Stadium thanks to an excellent first half goal from Vinicius Jr, who curled his shot in at the far post, an injury time goal from Karim Benzema and a series of important saves from Thibaut Courtois, who frustrated the home side with five second half saves to send his side top of the table.
Jorginho scored two penalties in the 78th and 82nd minutes to assure a comfortable win in the best performance by Frank Lampard's side this season.
The match will be Iran's first game at the national level under the leadership of Dragan Skocic.
FC Barcelona's positive start under Ronald Koeman had produced two wins and seven goals without reply in their first two matches of the season, but that positive start was halted as they were held 1-1 at home to Sevilla on Sunday evening.
Freiburg staged a well-positioned defense from the kickoff and was able to keep Lucien Favre's men on the distance in the opening stage.
"All the time I kept myself in the back to attack when I needed to," said Kitata. "When I went, I tried to push the pace more than before. I went into the last lap to beat the others."
The 19-year-old Pole needed just 68 minutes to avenge her exit to the 2018 champion last year in Paris at the same stage.
Real Betis won 2-0 away at Valencia. Sergio Canales celebrated his return to the Spanish national team squad by opening the scoring following magnificent control and shot in the 19th minute and Cristian Tello scored Betis' second of the game with 16 minutes remaining. Enditem
The pair have not played for their country since the Cafeteros' penalty shootout defeat to Chile in the quarterfinals of last year's Copa America in Brazil.