Paraguay looked set for victory when Romero canceled out Carillo's opener and then struck again nine minutes from time after combining with Alberto Espinola.
The famous son is the 2020 Formula 2 racing series leader.
Now the top two seeds - Djokovic and Nadal - will face each other, which would offer big stakes for both sides to seek for.
But it turned out to be enough for the visitors although the home team almost managed to force the game into overtime by cutting the 0-3 deficit to one in the final stretch.
"People around felt tired of shooting, but I love it," she said.
"Leo is happy to be in the national team and is doing well at his club now. From a distance, we wanted everything to be resolved so that he could start playing and get fit. For our part, I think it's positive that he has stayed because he has started to play. As for personal decisions, we don't get involved and we're not going to [comment]."
As the reigning 1,500m and 10,000m world champion, Hassan now holds world records at one mile and one hour, and European records at 1,500m, 3,000m, 5,000m and 10,000m, as well as the half marathon. Enditem
That means Barca have to rely on Gerard Pique, Clement Lenglet and the youngster Ronald Araujo until the next transfer window, with Samuel Umtiti struggling with knee problems and not in the new coach's plans.
"My eyes are on the crown heading to Gdynia, I want to win back my world half title but I know the challenge ahead especially when you know the field is strong, but I believe we have the best squad which will enable us win the championship," Jepchirchir told Xinhua on Friday.
Now, the most important goal in her life is to continue to promote Tai Chi culture. "As a martial artist, it is my duty to promote Chinese martial arts and Chinese culture."
The Swiss kept trying to play the ball out from the back, but Spain didn't allow them any time on the ball and Sommer redeemed himself with a good save to parry Ferran Torres' header after a flowing move ended with Jesus Navas putting a good cross into the Swiss area.