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  • US Open 4th Freebets

US Open your 4th bet is on the house

Win 3 betsin a rowand get afree bet!

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Press the “Take part” button on the offer page
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Place 3 winning bets in a row on US Open matches
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Get a free bet equal to the average stake of your winning bets

Terms and Conditions

How to get this bonus

  1. This offer is available until 14.09.2026 (23:59 GMT+3).
  2. Eligibility criteria: confirmed phone number and email address, consent to participating in bonus offers.
  3. Bet requirements: 3 winning single bets in a row worth at least 3 EUR each, odds of 1.80 or higher, pre-match or live.
  4. Ineligible types of bet: handicaps, totals, free bets, cashed out bets, refunded bets (1.00), bets placed using a bonus account.
  5. Free bet amount: the average stake of the 3 winning bets, up to 70 EUR.
    Example
    You place 3 winning bets in a row: 1) 10 EUR 2) 15 EUR 3) 20 EUR.
    The average stake: (10 EUR + 15 EUR + 20 EUR) / 3 = 15 EUR.
    You’ll receive a free bet worth 15 EUR.
  6. Limit per customer: no more than 5 free bets for the entire promotional period.
  7. Crediting: automatically, within 24 hours, as a promo code.
  8. How to use the free bet: create an accumulator bet with 3 selections, each at odds of 1.40 or higher, select the free bet in your bet slip and press “Place a bet”.

Bonus terms and conditions

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Your 4th bet is on the house! Win 3 bets on the US OPEN in a row and get a free bet equal to your average stake! How to take part

  1. Register or log in on the SpinBetter website or in the app.
  2. Press the "Take part" button on the offer page.
  3. Place 3 winning bets in a row worth at least 3 EUR each on US Open 2026 tennis tournament events.
  4. Get a free bet equal to the average stake of your 3 winning bets!

Terms and Conditions

    1. Promotional period: this offer is available between 26.08.2026 (10:00 UTC+3) and 14.09.2026 (23:59 UTC+3).
    2. How to enrol: To take part in this offer, you need to press the “Take part” button on the offer page. You also need to opt in to participating in bonus offers in My Account (Account settings – Participation in bonus offers).
    3. Eligibility: Only registered customers who have fully completed their profile in My Account can take part. Mandatory fields: mobile phone number (must be activated), email address.
    4. Bet requirements: To receive a free bet, you need to place 3 winning single bets in a row. Any losing bet that complies with the terms of the offer (paragraphs 5, 6, 7) terminates the winning streak.
    5. Bet type and stake amount: The minimum stake per bet is 3 EUR. This offer only includes single bets.
    6. Odds and markets: This offer includes pre-match and live bets at odds of 1.80 or higher on any US Open 2026 tennis tournament matches.
    7. Restrictions for events: After the start of the promotion, only one (the very first) settled bet placed on the same sports event (market) is taken into account.
    8. Exceptions: This offer does not apply to the following bets: free bets, various types of handicaps and totals, canceled or cashed out bets, refunded bets (odds of 1.00), and bets placed using a bonus account.
    9. Bet settlement: To receive a free bet, all bets in the series must be settled during the promotional period (until 14.09.2026 (23:59 GMT+3)).
    10. Free bet amount: If all the conditions are met, you will get a free bet equal to the average stake of your 3 winning bets that were placed consecutively.
    11. Limits:

The minimum amount for one free bet: 3 EUR.
The maximum amount for one free bet: 70 EUR.
Example

      • You place 3 winning bets in a row: 1) 10 EUR 2) 15 EUR 3) 20 EUR.
      • The average stake: (10 EUR + 15 EUR + 20 EUR) / 3 = 15 EUR.
      • You’ll receive a free bet worth 15 EUR.
    2. The maximum number of bonuses: Each participant is entitled to receive no more than 5 free bets for the entire promotional period.
    3. Crediting: The free bet will be credited automatically as a promo code within 24 hours after your third winning bet in a row has been settled. The promo code will be credited in your account currency at the relevant exchange rate.

How to use the free bet (promo code)

    1. Wagering requirement: To use your free bet, wager the promo code amount in an accumulator.
    2. Accumulator bet requirements: The accumulator must consist of 3 or more selections, each at odds of 1.40 or higher. You can place pre-match or live bets on any sports matches.
    3. Bets on any type of total or handicap are prohibited.
    4. Validity period: The free bet must be wagered within 72 hours of receiving it, otherwise it will be canceled.
    5. Free bet settlement: The free bet amount itself will not be paid out and will not be included in the winnings credited to your account. The free bet winnings are calculated as follows: (Free bet stake х Accumulator odds) – Free bet stake = Net winnings. The net winnings amount will be credited to your main account.

General provisions

  1. SpinBetter reserves the right to cancel or rescind this offer or to change any provision thereof at any time without prior notification or explanation.
  2. This offer is only available once per account, family, IP address and PC.
  3. SpinBetter reserves the right to review customers’ transaction records and logs for any reason. If, upon such review, it appears that a customer is using strategies that the company, at its sole discretion, deems to be unfair or abusive towards the bonuses, SpinBetter reserves the right to revoke the customer’s entitlement to participate in the bonus program and to void their bonus.
  4. The customer must provide ID documents, when necessary, for identity verification (KYC). Failure to produce these documents will result in the offer and any winnings being forfeited. The company reserves the right to request, at any time, that the customer provide a photo of themselves holding their ID (selfie), or that they complete identity verification over the phone.
  5. If SpinBetter believes itself to be the victim of fraud or money laundering, the company has the right to close the offending customer’s account and freeze their remaining balance.
  6. All of the general SpinBetter Terms and Conditions apply.
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