It was obvious she was barely holding it together from the start of the press conference.
Muguruza, however, was largely on the backfoot yesterday and had to deal with more than just her 33 unforced errors. Between the setbacks and the nerves and the inconsistent form, Muguruza is confrontational, a fighter, an aggressor...
Muguruza nearly broke down again and could only say one word: "Derrota (The loss)".
Whether Mladenovic's back will hold up might be the key to the match as she will need her powerful serve to keep the Spanish fourth seed on the back foot.
Mladenovic said: "It's a tough draw, but I think it's also tough for her".
Get prep sports breaking news alerts from the Gwinnett Daily Post staff delivered to your email. The contrast must feel unsettling.
"I couldn't really find my game, but I don't think I did really something wrong out there", an emotional Muguruza said after the match.
The 24-year-old tweaked her back on the eve of the tournament and has struggled on serve ever since. "If you had been in my shoes on the court, I think you would have understood", she told reporters. The chair umpire has to always calm the crowd down.
But she added: "I'm not here to create enemies". Is not a good feeling'. Second seed Karolina Pliskova was the most notable victor, while Elina Svitolina, Petra Martic and Veronica Cepede Royg also progressed to the last 16.
The 13th seed is carrying the hopes of the home nation, who have waited 17 years to celebrate a French singles champion. I'm going to be super happy to come back. It's thanks to you that I fought for every point. There is no secret to the French crowd at Roland Garros. Of course I'm sad.
Mladenovic did not choke and served out the match with a forehand victor after a battle lasting two hours 46 minutes.
"This match that you dream when you are young, playing Roland Garros, five sets, four hours and a half". "Let me try to speak".
Governor Edwards calls a precautionary Special Session
This is just in case they run out of time before the state's budget and a house construction financing bill is agreed upon. House leaders are talking confidently about reaching a budget deal to keep lawmakers out of a special session.
"I enjoyed. I suffer, but I enjoyed".
Chung remained upbeat despite the loss and has bigger goals than reaching the top 50.
It was the second year running that Williams lost to the Swiss in the Roland Garros fourth round.
Bacsinszky's best result at a major tournament was reaching the semi-finals at Roland Garros in 2015.
She can now make that twice after a 6-1 3-6 6-3 victory over Muguruza that was not short on drama.
Svitolina next faces Croatian qualifier Petra Martic.
Later in the interview, she spoke of her affection for the tournament and said she would look forward to returning, but also revealed the level of pressure she felt. "I hate calling the physiotherapist onto the court". "It's a very pretty place".
Mladenovic will move into the quarterfinals to face Timea Bacsinszky, who beat Venus Williams in three sets in a later match on Sunday. "If you had been in my shoes on the court, I think you would have understood".
"I don't know if I have a different culture of sport".