Junior (2022-23): Did not appear in a match for the Big Green.
Sophomore (2021-22): Played in one match for the Big Green at the eighth position.
First-Year (2020-21): Season canceled due to COVID-19.
Before Dartmouth: Four-year letter winner in squash for coach Alex Langerhorst...Three-year tennis letter winner...FAA Honorable mention in squash as a freshman.
Personal: Son of Laura and Jon Mattson has one brother...Brother Jack is a member of the Dartmouth class of 2021...Mother was a sailor for the Big Green class of 1989.