Sofia Kenin’s Biggest Weapon: Self-Confidence

How to Get into a Rhythm When Playing a Tennis Match

How Pro Players Develop Self-Confidence

Confidence is a necessary element of peak performance in tennis. Without some level of confidence, you will constantly fall short of your aspirations and goals.

โ€œSomewhatโ€ confident can help you climb upward and win some more matches but โ€œhighโ€ confidence can launch you even higher.

High confidence is a steadfast belief that you have the ability, can learn the necessary (technical and mental) skills and will overcome obstacles to succeed in a broad range of circumstances.

High confidence can take you from being a good tennis player and make you a great tennis player.

High confidence is the defining characteristic of the 2020 Australian Open champion, 21-year-old Sofia Kenin.

Kenin won her first Grand Slam title by rallying from a set down to defeat former World No. 1 Garbiรฑe Muguruza 4-6, 6-2, 6-2. The victory earned Kenin the honor of becoming the youngest American woman to win a major tournament since Serena Williams in 1999.

In a post tournament press conference, Kenin was asked: โ€œYou play on the court with a lot of self-belief and confidence. Where did that come from? When was the last time you felt doubt?โ€

Weaponize your confidence

Kenin answered in emphatic fashion talking about her high confidence.

KENIN: โ€œIโ€™ve always had that. I knew I needed to establish myself to get to where I am. All the confidence has come with all the matches that Iโ€™ve had, the success Iโ€™ve had in 2019. WTA Most Improved Player of the Year, soโ€ฆ FYI.โ€

What an answer! When Kenin added , โ€œFYIโ€, she was saying, โ€œWhy wouldnโ€™t I be confident? Of course, I am confident and here are the reasonsโ€ฆโ€

As the interview progressed, Kenin alluded to certain circumstances that helped her play with high confidence.

  • When Kenin lost the first set, she made the conscious decision to be aggressive, โ€œI knew I had to take my chance. I had to be brave.โ€ Kenin sees things โ€œfalling into placeโ€ and not โ€œfalling apartโ€.
  • When asked how she handled the pressure of playing on the big stage, Kenin responded, โ€œWell, Iโ€™ve played in big stadiumsโ€ฆ I love the big stages. Thatโ€™s where Iโ€™m playing.โ€
  • Kenin was asked if she was nervous before the match, โ€œI was nervous before. Iโ€™ve been nervous every match.โ€

Kenin let go of her mistakes and rough start, โ€œI knew I needed to put that aside and just go out there, play, show the best I am, show my abilities, some great tennis.โ€

  • Kenin responded to a question asking if she ever believed her short stature would hold back, โ€œNo, I didnโ€™t think anything about my heightโ€ฆ Size doesnโ€™t matter at this point. You can play at this level. You can make incredible things happen. So size doesnโ€™t really matter. Just matters how tough you are and mental toughness.โ€

Keninโ€™s responses are characteristic of a player with high confidence. Instead of making a case against herself, Kenin made a case for herself. For every argument that could go against her, Kenin found evidence to counter those negative statements.

Letโ€™s apply this to your game. What self-statements are holding you back?

What thoughts are detracting from your ability to play with high confidence?

  • โ€œIโ€™m not tall enough.โ€
  • โ€œMy first serve doesnโ€™t have enough pace.โ€
  • โ€œI am not very quick.โ€
  • โ€œI always choke when I have the lead.โ€
  • โ€œI have never won a tournamentโ€

Obviously, you can see how these negative self-statements can detract from your confidence. Even if you are somewhat confident heading into a tournament, a few bad serves or unforced errors could cause your confidence to drop enough to lose a match that you could have easily have won.

Building a case for yourself is a proactive strategy that elevates confidence. You want to work on positive self-labels, not negative self-labels, such as Iโ€™m a choker.

When you continue to build a case for yourself, you are engaging in building confidence every day.

Building High Tennis Confidence

Take the negative labels that keep you stuck and hurt confidence and find three pieces of evidence as a counter-argument.

For example, โ€œI canโ€™t hit my first serve with enough paceโ€ can be countered with:

  • โ€œMy first serve has improved so much over the past year.โ€
  • โ€œI have good placement on my serve.โ€
  • โ€œWith a bit more training I can build my strength and add pace on my serve.โ€

Therefore, building a case for yourself not only builds confidence, it builds high confidence that you can rely on in tough matches.


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Patrick Cohn
Mental Performance Coach Dr. Patrick Cohn has helped athletes for over 40 years enhance their performance. Dr. Cohn earned a master's degree in sports psychology from CSUF and a Ph.D. from the University of Virginia, specializing in Applied Sports Psychology. Today, he is the president and founder of Peak Performance Sports, LLC in Orlando, Florida. He's working with Olympic athletes, NFL, NHL, MLB, professional tennis players, and professional motocross racers and NASCAR racers. See Full Bio

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