A lotto event method for selecting a prize winner by using a golf result of a client using a screen golf room is provided to perform event application/winning by using the golf result of client and property of hole. N holes having a reference stroke number is selected as an event object hole(S11). The result of the event target hole of the application period is set up as the application number(S12). The result which clients record at the event target hole is selected as a winning number(S13). It determines whether the application number of log-in one clients in the screen golf apparatus coincides with the winning number(S14). The client is selected as the candidate client(S15). The prize winning confirmation button of the screen golf apparatus among the candidate client in the winner identification within period is selected as the prize winning customer(S16).
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