She will also be returning to Wimbledon the following day with her husband Prince William to watch the Gentlemen's Singles Final on Centre Court. Moreover, given the times she has tumbled from the top of the world rankings following tragedy or injury, only to rise again - as she did following the 2003 death of her sister Yetunde, foot surgery in 2010 and a life-threatening pulmonary embolism in 2011 - it's easy to assume Williams's return to world-beating form was a certainty after maternity leave. "I think she can win [Wimbledon]", he told us last week.
"I lost count after four surgeries because I was in so many surgeries", she said. I'm enjoying every moment.
Kerber had beaten Williams in the Australian Open final in January, but the German couldn't produce another shock.
Her rival on Saturday will be No.11 seed Kerber of Germany.
After tumbling out of the top 10 previous year, the German left-hander appears back to the blistering form that carried her to the top ranking and three major finals in 2016, including grand slam triumphs in Melbourne and NY. The German has had a much tougher run-in and I expect her to test Williams.
Agassi believes she can go all the way and make one massive leap over the finish line. "Because of all the blood issues I have, I was really touch-and-go for a minute". I want to get as many as I can, starting with - I still have a match to win, so I'm not even there yet'.
The semifinal between Williams and Goerges began on a high note, marked by high quality serving and a robust exchange of ground-strokes. She's playing like she played the years before where she won the big matches.
"It would have been the dream match for me to test my serve and volley against her power game, although it would never have been enough to just serve and volley as she loves a target".
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It turns out that she needn't have anxious.
"In a way, it's by far the toughest year for me, but in a way it's by far the best".
The 36-year year old triumphantly returned to the grass courts of Wimbledon to reach the tournament final since returning from the enforced layoff.
On Henman Hill on Friday, other mothers were full of admiration for Williams, her achievements and the example she was setting.
The first two points played by Ostapenko - who won the French Open in 2017 and crashed out in the first round the following year - were emblematic of the match.
"It does surprise me looking at what she is doing now, but when you think about what she has done throughout her career you can't be too surprised".
At the beginning of the match, it seemed as if it may just work with the crowd-pleasing Ostapenko mixing her big boisterous hitting with some drop shots, as if to signal that she has soft hands as well. "It would be really special to win", she said.
A game built on rugged defense, counter-punching and a tricky leftie serve gives her a chance of throwing Williams off her relentless stride.