Career
On the Junior Circuit, Guthrie peaked at world number 360 in 2008. She currently holds an 8–1 record in competition after the 2014 Asia/Oceania Group Round Robin Tournament in Astana, Kazakhstan. Guthrie first competed at the ASB Classic in Auckland as a wildcard entry in both singles and doubles in 2013.
Guthrie was educated at Street Cuthbert"s College in Auckland before enrolling at the University of Mississippi, from where she graduated in 2012, majoring in dietetics and nutrition.
Selected as an All-American, she was ranked number 7 in doubles for the United States of America.
Doubles: 5 (2–3).