1X Bet's "Tennis Bet Boost" feature allows users to enhance their potential winnings on tennis bets by offering increased odds on select matches or outcomes. This feature typically applies to specific tournaments or events and may require users to opt-in or place their bets within a designated time frame. Terms and conditions usually include eligibility criteria, such as being a registered user or a minimum stake amount, along with restrictions on the types of bets that qualify for the boost. Additionally, it's essential for users to check for any limits on the maximum enhanced payout and other specific conditions that may apply to the promotion to fully understand how the feature works. Always refer to the official 1X Bet website for the most accurate and detailed terms related to this offering.