Sugasawa was born in Chiba on October 5, 1990. She joined Albirex Niigata from JFA Academy Fukushima in 2008. In 2013, she moved to her local club JEF United Chiba. She became top scorer in 2014 and 2015. In 2017, she moved to Urawa Reds. She was selected Best Eleven 3 times (2014, 2015 and 2017). She became top scorer in 2020.