Polymarket $20 Invite Code for the US Open Tennis Third Round on September 3rd
Tennis fans have another reason to follow the US Open as Polymarket rolls out a $20 trading bonus tied to its prediction markets. With the exclusive Polymarket invite code, you can unlock this offer after making a qualifying $10 deposit.
This bonus arrives as the tournament reaches the third round, where the remaining contenders face tougher matches, and every win pushes them closer to the title. With plenty of attention around the action at Flushing Meadows, Polymarket gives you another way to follow the tournament through its tennis prediction markets. Here’s what you need to know about the bonus offer.
Polymarket US Open markets and prices
According to the prediction market news, the table below highlights some of the biggest contracts at Polymarket and their corresponding implied probability.
| US Open markets | Players | Price |
|---|---|---|
| 2026 Men’s US Open winner | Carlos Alcaraz Alexander Zverev Ben Shelton Taylor Fritz | 35¢ 23¢ 10¢ 8¢ |
| 2026 Women’s US Open winner | Aryna Sabalenka Coco Gauff Iga Swiatek Jessica Pegula | 24¢ 19¢ 16¢ 10¢ |
As the US Open moves into the third round, Polymarket gives tennis fans a way to follow the biggest matchups. You can buy contracts based on which player you expect to win, with the market prices representing traders’ probability of each outcome. The platform is also one of the best prediction markets out there, in that you can expect multiple trading options.
US Open third-round action at Flushing Meadows
The US Open is one of many events available across sports prediction markets. This tournament’s third round begins on Friday, September 4, at the USTA Billie Jean King National Tennis Center in Flushing Meadows, New York. This stage brings the tournament’s leading contenders closer to a deeper run at the final Grand Slam of the season.
For tennis fans, the third round is where the stakes start to rise. The remaining players face tougher matchups, while established stars and emerging contenders look to strengthen their title credentials. It also creates plenty of interest around prediction markets, as fans assess which players have the best chance of progressing.
Polymarket $20 bonus code for US Open
Polymarket is undoubtedly home to promotions tailored to major sports events, and this time the online prediction platform has one exclusively for tennis fans. With the invite code, , you get a $20 Polymarket sign-up bonus added to your trading funds as a new user.
How to claim the Polymarket trading bonus
Claiming the $20 trading bonus is straightforward for new users who use the Polymarket promo code. Simply follow the steps below to get your hands on this offer:
- Visit the official Polymarket website and create an account
- Enter the invite code when prompted during the registration process
- Complete your registration and any required account verification
- Deposit $10 into your Polymarket account to meet the offer requirement
Once you complete the above steps, you become eligible for the $20 trading bonus. You can then use it to trade contracts on the US Open third-round predictions and other events, as discovered in our Polymarket review.
Take advantage of the trading bonus
The Polymarket $20 trading bonus allows you to get more value from your first $10 deposit as a new user. You can explore and trade on tennis prediction markets on the platform using the extra $20 in trading funds. To take advantage of the invite code today, click the on-page link to visit the Polymarket site to create an account. Then enter the code during registration and activate the trading bonus while following the US Open action.