AJ Prehn, of Aberdeen, looks to return a volley during a singles match Monday at the C.C. Lee Open Tennis Tournament at the Northern State University tennis courts. Photo by John Davis taken 7/10/2023 Alexander Comings, of Wahpeton, returns a volley during a singles match Monday at the C.C. Lee Open Tennis Tournament at the Northern State University tennis courts. Photo by John Davis taken 7/10/2023 Carter St. Aubin, of Wahpeton, moves to return a volley during a singles match Monday at the C.C. Lee Open Tennis Tournament at the Northern State University tennis courts. Photo by John Davis taken 7/10/2023 Addison O’Keefe, of Aberdeen, returns a volley during a singles match Monday at the C.C. Lee Open Tennis Tournament at the Northern State University tennis courts. Photo by John Davis taken 7/10/2023 Alexander Comings, of Wahpeton, looks to return a volley during a singles match Monday at the C.C. Lee Open Tennis Tournament at the Northern State University tennis courts.