FOR PROFESSIONAL ATHLETES

What Is 1099? A Pro Tennis Player Got Seven Of Them And Owed $61,000

Seven 1099 forms. Zero tax withheld. One $61,000 wake-up call.

I sat across from a 24-year-old touring tennis pro who had just spread seven tax forms across his kitchen table. He'd made $340,000 that season. He owed more than he thought was possible, and nobody had ever explained why.

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Phoenix · September 2, 2026 · 5 min read

Fitness coaching

The 1099 Math Athletes Don't See Coming

$61,000

average underpayment tax and penalty found in athlete 1099 reviews

I used to just set aside a quarter of every check and hope. Amadae told me the real number down to the dollar, and it wasn't 25 percent, it was closer to 34. That gap would have cost me my whole offseason.

Marcus T. · Professional golfer, mini-tour

The Story

Seven 1099s. Zero Withholding. One Kitchen Table.

In September 2023, a 24-year-old touring tennis pro named Devon R. spread seven tax forms across his kitchen table. Five were 1099-NEC forms for prize money from five different states. One came from his racquet sponsor. One was an appearance fee from a corporate exhibition match. Total reported income: $340,000. Total tax withheld by anyone, anywhere: $0.

Tennis match
Devon, mid-season, the year the seven 1099s arrived.

The Problem

A 1099 Means The IRS Trusts You To Do Its Job For It

Here's what is 1099 income in plain terms: it's money nobody withholds tax from before it hits your account. Your W-2 teammates on salary have their tax handled automatically. Every dollar you make from prize money, sponsorships, or appearance fees on a 1099 is yours in full, until the IRS comes to collect what it's owed. Add a career spent playing in a different state every week, and the math gets ugly fast.

15.3%

self-employment tax on every 1099 dollar, before income tax

IRS Schedule SE, 2025

What We Tried

TurboTax, Dad's CPA, And A Savings Account Nobody Trusted

Devon tried the things every self-employed athlete tries first. TurboTax couldn't reconcile seven forms across five states. His father's longtime CPA had never filed a jock tax allocation in his life. His agent's business manager was great at negotiating deals and useless at estimated tax deadlines. He set aside 25% of every check by hand, which sounded responsible until the actual bill came in 34% higher than that.

What actually caught the problem

  • TurboTax across five states
  • Dad's generalist CPA
  • Agent's business manager
  • 25% manual set-aside

Sound familiar? A 30-minute call tells you exactly where you stand.

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The Discovery

The Number Nobody Told Him: 15.3% Plus Four Deadlines

The real problem wasn't one big mistake, it was three small ones stacked together. Self-employment tax adds 15.3% on top of income tax, and it applies to every 1099 dollar with no exceptions. Quarterly estimated payments are due four times a year, not once, and missing them triggers its own penalty. Prize money earned in a state you played in for three days still has to be filed there, separately, every time.

What $340K in 1099 income actually keeps

No strategy$184K
Quarterly estimates + entity plan$241K

Illustrative, single filer, 2024 rates

The FixAMADAE

Amadae Became The Business Manager His Agent Never Was

This is where Devon's story stopped being a cautionary tale. Amadae paired him with a real accountant who tracks every 1099 the moment it arrives, calculates his quarterly estimates before the deadline instead of after the penalty, and files the multi-state jock tax returns his tour schedule generates. It's books, quarterly taxes, and entity strategy in one flat monthly fee, built for income that doesn't come with a W-2 attached.

Who actually handles your 1099 income

DIYAgent's ManagerAmadae
Quarterly estimates calculated
Multi-state jock tax filingsExtra fee
Entity structure review
Monthly bookkeeping

The Proof

The Golfer Who Stopped Guessing At 25%

Devon's story isn't a one-off. Athletes on 1099 income across individual sports hit the same wall the first time a big check arrives with no withholding attached. The fix is always the same: know the real number, not the guessed one.

I used to just set aside a quarter of every check and hope. Amadae told me the real number down to the dollar, and it wasn't 25 percent, it was closer to 34. That gap would have cost me my whole offseason.

M

Marcus T.

Professional golfer, mini-tour

Avoided a $22,600 underpayment penalty

Why NowAMADAE

September 15 Is A Deadline, Not A Suggestion

Third-quarter estimated taxes are due September 15, and if your 1099 income spiked this season, that payment just got bigger. Miss it and the penalty compounds until you file next April. Amadae starts with a free intro call to review your actual numbers, no long-term contract, no obligation to sign anything before you see what you owe.

A real Q3, before the fix

Tournament + endorsement income (Q3)$92,000
Tax set aside$0
Estimated payment due Sept 15$27,600

The 1099 Math Athletes Don't See Coming

$61,000

average underpayment tax and penalty found in athlete 1099 reviews

15.3%

self-employment tax on 1099 income, before income tax

43

states with separate jock-tax filing rules our clients have filed in

$0

typical withholding on prize money and endorsement 1099s

Illustrative, based on Amadae athlete client reviews, 2025

What Amadae Actually Does For Athletes On 1099 Income

Real accountants, not a business manager who also does your taxes on the side.

  • Books, payroll, and taxes handled together for a flat $249/month, not a percentage of your earnings
  • Quarterly estimated tax calculations before the deadline, not a scramble after a penalty notice
  • Multi-state jock tax filings tracked automatically as your schedule changes
  • Entity structure review to see if an LLC or S-corp actually lowers what you owe on endorsement income
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Plans from

$249/mo

If you make $40K - $69K. Flat, no hourly bills.

  • Monthly profit and loss reports
  • Tax set-aside management
  • Expense categorization
  • Real-time financial dashboard
  • Business bank account connections
  • Invoicing and contractor payments
Cancel any timeReal accountantsTaxes filed for you

Straight answers

Questions creators ask us

What is 1099 income, exactly, and how is it different from my team salary?+

A 1099 reports income nobody withheld tax from, like prize money, endorsements, and appearance fees. Your team salary is a W-2, with taxes taken out automatically. 1099 income puts the entire responsibility, income tax and the 15.3% self-employment tax, on you.

I already have an agent and a business manager. Isn't that enough?+

Most agents and business managers negotiate deals and manage cash flow. Very few calculate quarterly estimated taxes or file multi-state jock tax returns, which is exactly where Devon's $61,000 gap came from.

I only get 1099 income part of the year. Do I still owe quarterly taxes?+

Yes. The IRS expects estimated payments in the quarter you earn the income, not spread evenly across the year. A big tournament or sponsorship check in one quarter can create a large payment due that same quarter.

Will forming an LLC or S-corp actually help with prize money and endorsement income?+

Sometimes, depending on how much of your income is 1099-based and how consistent it is. It's not automatic, which is why we review your actual numbers on a free call instead of guessing.

Your Next 1099 Is Already On Its Way

Devon's seven forms weren't unusual, they were just the first year anyone added them up correctly. If you're earning real money on 1099s and still guessing at what you owe, the gap is compounding every quarter you wait.

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