Sadie has been a competitive tennis player for 15 years. Starting in high school, she quickly grew and achieved a spot on the Rhode Island All-State Team. She then went on to play the top flight in singles and doubles at Rhode Island College and was voted USTA RI top female college athlete of the year in 2016.

During this time she has worked with many age groups, teaching tennis at camps and high schools across RI, including Ponaganset High School, Smithfield High School, and Mount St. Charles Academy. She worked as associate head coach for for four years at Rhode Island College upon graduating, and helped lead the Anchorwomen to 4 consecutive NCAA championships and a berth at the NCAA National tournament. She currently works as a teaching pro at Forecourt Racquet Club.