But her movement around the court is not as slick as she would like - she has played only five singles matches since becoming a mother to Alexis Olympia. I lost the first set and thought I must try harder, I must try harder - and then Serena came out.
She hit 11 aces to Williams's three on Saturday on the Suzanne Lenglen Court, but Görges could never get the lead on the scoreboard, struggling consistently to deal with Williams's baseline pace and precision.
Williams said the catsuit was crucial for her health and well-being, claiming it prevented the return of blood clots which left her life in danger after she gave birth to daughter Alexis Olympia Ohanian in September a year ago.
"I had a lot of problems with those - I don't know how many I have had in the past 12 months", she said.
"It's not a typical outfit".
"I feel like in 2018 the world's different".
She said: "I don't know".
"However, my outfit is actually functional for me, because I had a lot of health issues".
That certainly didn't change for her big return to the sport: To mark the occasion, Williams showed up to the French Open in a black spandex bodysuit by Nike, which featured a red stripe across her abdomen.
'Catsuit anyone? For all of the moms out there who had a tough recovery from pregnancy-here you go.
The Russian, victor in Paris in 2012 and 2014, is seeded at a major for the first time since testing positive for meldonium two years ago. Her comeback looked doomed when Barty broke serve in the opening game of the second set but that was the last chance she had of taking the game by its neck.
The very first game featured an ace at 181 kph and when it ended with Pliskova netting a backhand, the chair umpire intoned, "Jeu, Madame Williams", - French for "Game, Mrs Williams", a change from the "Mademoiselle" officials use for unmarried female players.