MINDSET LEADER
Serena Williams is often described as exceptionally confident. It is an understandable description of someone who won 23 Grand Slam singles titles, spent 319 weeks ranked world No. 1 and continued expecting herself to win even after becoming one of the most accomplished athletes in the history of tennis.
But confidence is not a particularly useful explanation for her success on its own.
Williams trained seriously from childhood. She competed professionally as a teenager. She lost major matches, experienced injuries, fell dramatically in the rankings and returned. She played under enormous public scrutiny for more than two decades. By the time she could reasonably expect herself to perform under pressure, she had accumulated years of evidence about what she could do.
Her career is therefore interesting less as a story about naturally believing in yourself and more as an example of how self-belief develops when it is repeatedly tested against reality. Confidence did not remove uncertainty from Williams's career. It allowed her to keep acting while uncertainty was present.
Confidence had something underneath it
Williams began playing tennis as a child in Compton, California, coached primarily by her father, Richard Williams, alongside her sister Venus. She turned professional in 1995 at 14 and won her first Grand Slam singles title at the 1999 US Open when she was 17.
The victories eventually became extraordinary in number. Williams won all four Grand Slam tournaments in singles, completed a career Grand Slam and won four consecutive majors across 2002 and 2003, a run that became known as the "Serena Slam." She later held all four major titles simultaneously again across 2014 and 2015.
The public saw the match. Behind it were thousands of hours in which very little dramatic happened.
Footwork was repeated. Serves were practiced. Strength was developed. Opponents were studied. Matches were reviewed. The same fundamental movements were performed often enough that they could survive the pressure of a Grand Slam final. This is one of the less glamorous foundations of confidence. You have done the work before.
Preparation does not guarantee the outcome. Williams lost plenty of matches despite preparing for them. But preparation changes the basis on which you enter the situation. You are no longer relying entirely on optimism.
You have evidence.
She expected herself to improve
Williams's competitive standard was unusually high even after she had accumulated achievements that would have allowed her to consider almost any result successful.
In a 2013 interview with The New York Times Magazine, Williams was asked about her ambitions after an already extraordinary career. Her answer was revealing: "I don't know if I've had my best tennis yet." She was 31. By then she had already won 15 Grand Slam singles titles.
The statement illustrates an important difference between confidence based on status and confidence based on development. If Williams's confidence had depended entirely on proving that she was already great, improvement could have become threatening. Finding weaknesses would mean discovering evidence against the identity. Instead, weakness could remain useful information.
This is one reason a strong performance mindset can coexist with dissatisfaction. An athlete can know they are exceptionally good and still believe a particular part of their game needs work. Those ideas are not contradictory. I am capable and I can get better can exist at the same time.
Losing did not automatically become evidence about who she was
Williams's career contained enough winning that the losses can disappear from the story. There were many.
She lost Grand Slam finals. She was eliminated early from tournaments she was expected to win. Injuries interrupted her career. Her ranking fell. She experienced periods when commentators questioned whether she would return to her previous level.
One of the most significant came after health problems in 2010 and 2011. Williams suffered cuts to her foot that required surgery and subsequently developed a pulmonary embolism. She spent nearly a year away from competitive tennis and at one point fell outside the world's top 150.
She returned and eventually became world No. 1 again. The interesting psychological point is not simply that she "never gave up." That phrase removes most of the useful information. Athletes at Williams's level have to process failure constantly because competition continually produces objective feedback. There is a score. There is a ranking. Someone wins and someone loses.
The ability to continue requires separating a result from a permanent conclusion. I lost this match contains useful information. I am no longer capable of winning is an interpretation. Those are different statements. Williams could be deeply frustrated by losing without accepting every conclusion that could be drawn from the loss.
She learned to perform under scrutiny
Williams did not compete in a socially neutral environment.
From the beginning of their careers, Serena and Venus Williams attracted unusual levels of attention as Black sisters from Compton entering a predominantly white sport. Their clothing, bodies, hairstyles, behavior, family and confidence were repeatedly discussed alongside their tennis.
Serena Williams has spoken and written about the racial and gendered dimensions of that scrutiny. In a 2016 open letter published in Porter, she wrote about the different standards applied to women and men in sport, including the way ambitious women are often described differently from ambitious men.
She wrote:
"We should always be judged by our achievements, not by our gender."
The statement was part of a broader argument about equality, but it also points towards a recurring feature of Williams's career. She could not completely control how other people interpreted her. She could control whether their interpretation became the standard by which she evaluated herself.
This is much harder than simply saying that other people's opinions do not matter. Opinions can matter materially. They can influence opportunities, media narratives, endorsements and how a person is treated. The more useful distinction is between recognizing external judgment and internalizing it. Williams could be aware of the narrative without agreeing with it.
Competitive ambition does not have to be apologized for
Williams wanted to win.
That sounds obvious in professional sport, but open ambition is often treated strangely outside it. People are encouraged to pursue meaningful goals while simultaneously being expected to appear relatively detached from whether they succeed. Williams rarely created that impression. She cared about rankings. She cared about records. She cared about major championships. She was visibly frustrated when she performed badly and openly pleased when she won.
There is something useful about the simplicity of that.
Wanting an outcome does not guarantee that you deserve it. It does not mean other people owe it to you. It does not mean your life has failed if you do not receive it. It does mean you are allowed to try seriously.
Ambition becomes more complicated when people feel required to disguise it. They want the promotion but pretend they would be equally happy without it. They want the business to become enormous but describe it as a little project. They want recognition but act embarrassed when they receive it.
Williams's career offers very little support for the idea that wanting to be excellent is itself a character flaw. The more important questions concern what you are willing to do to pursue excellence and what you become in the process.
Returning required a different kind of confidence
Williams's return to professional tennis after giving birth to her daughter Olympia in 2017 created a new test.
Her pregnancy and delivery involved serious medical complications. Williams later described developing blood clots in her lungs and undergoing multiple procedures after giving birth. She spent six weeks in bed recovering. She returned to professional tennis in 2018. Within months she reached the Wimbledon final. She subsequently reached three more Grand Slam singles finals, although she did not win another major singles title.
Those results are sometimes framed primarily around the record she did not reach: Margaret Court's 24 major singles titles. Another interpretation is possible. Williams returned after childbirth and a life-threatening medical experience and became one of the final two players at four Grand Slam tournaments.
Her previous standard was so high that extraordinary performance could look like failure when measured against it. That is one of the risks of achievement. The better you become, the more easily your own exceptional performance becomes ordinary to you.
She eventually allowed the goal to change
In 2022, Williams announced that she was moving away from professional tennis. She deliberately avoided the conventional word. "I have never liked the word retirement," she wrote in Vogue. "It doesn't feel like a modern word to me." Instead, she described herself as evolving away from tennis towards other things that had become important, including her family and business interests.
The language attracted attention, but the underlying problem was familiar. What happens when an identity that has organized your life for decades is no longer the only thing you want? Williams had been a tennis player since childhood. Tennis determined her training, travel, schedule, body, public identity and competitive goals. Leaving therefore involved more than stopping a job.
It required making room for another version of her life.
She was also unusually candid that the transition was not entirely comfortable. In the same essay, she wrote that there was "no happiness" for her in leaving tennis and that it was the hardest thing she could imagine. That complicates the familiar idea that moving into a new chapter should feel liberating.
Sometimes the correct decision still involves grief.
Confidence is not certainty
Williams did not know that she would win every match. She frequently didn't. She did not know whether she could return after injury, illness or childbirth at the same level. She could prepare, attempt it and find out. This is where confidence is often misunderstood.
Confidence is sometimes imagined as a state in which doubt disappears and the person finally feels certain enough to act.
In high-performance environments, certainty is rarely available. The opponent is trying to win too. The business may fail. The audience may reject the work. The application may be denied. The person may say no. The outcome remains uncertain. What changes is the person's willingness to enter the situation anyway.
Williams spent decades doing exactly that. Every tournament created another opportunity to lose publicly. Winning the previous tournament did not guarantee the next one.
She kept entering.
What Serena Williams's career suggests about self-belief
There is a version of confidence that depends heavily on reassurance. You tell yourself you are capable. Other people encourage you. You try to think positively. You hope that eventually the feeling becomes convincing. There is another kind that develops through experience.
You prepare for something difficult and do it. You discover what you are weak at and improve it. You lose and survive the loss. You perform while nervous. You return after a period when you were not performing well. You accumulate evidence that you can handle situations whose outcomes you cannot control.
That confidence is rarely absolute. It does not need to be.
Serena Williams's career included extraordinary natural ability, extensive training, competitive intensity, family support and opportunities that cannot be reduced to mindset. Self-belief alone did not produce 23 Grand Slam singles titles. But her career demonstrates something more modest and useful. Confidence becomes easier to trust when your behavior gives it evidence.
Sometimes the way to believe you can do something is to spend less time trying to convince yourself and more time becoming someone who has reason to believe it.
References
Williams, S. (2016, November 29). Open letter. Porter. Williams, S. (2022, August 9). Serena Williams says farewell to tennis on her own terms and in her own words. Vogue. International Tennis Hall of Fame. Serena Williams, inductee profile. Women's Tennis Association. Serena Williams, player profile.