Rubuta ci gaba don wannan sakin layi - A ranar 16 ga Yuni, 2021, an zabi Martens a matsayin ɗaya daga cikin 'yan wasan farko na Netherlands 18 a gasar Olympics ta 2020, gasar Olympics ta farko ta mata ta Netherlands. A wasan farko na rukunin rukuni, Martens ta zira kwallaye na 50 a tawagar kasar da Zambia. Martens ya zira kwallaye daya a wannan wasan inda sakamakon karshe ya kasance Zambia 3<unk>10 Netherlands, wasan kwallon kafa na mata mafi girma a tarihin wasannin Olympics. A wasan rukuni na uku da na karshe na Netherlands, Martens ya ci wasu kwallaye biyu a kan China yayin da Holland ta ci gaba zuwa wasan kusa da na karshe na gasar. Sun fuskanci gasar cin kofin duniya ta mata ta 2019
abokan hamayyar Amurka, inda Martens ya rasa hukuncin a minti na 81 kuma an ci Netherlands bayan bugun fanareti bayan karin lokaci.