Success has been synonymous with Warren County High School tennis for the last three years, but it was always the Pioneers who were winning titles. The Lady Pioneers set out this year to prove they are a championship-caliber team as well. The Warren County High School girls tennis team ran its winning streak to five matches Thursday by sweeping St. Andrews 9-0 at McMinnville Civic Center.Even without some of the team’s top players, the Lady Pioneers were able to keep their undefeated season alive.