Tulis hiji continuation for this paragraph - Sanggeus pensiunan di ahir usum 2018/2019, sanggeus sababaraha pamutahiran dina kaséhatan, manéhna balik sarta competed di sababaraha tingkat kadua, tangtangan Tour. Ayeuna jadi amatir, Muir bisa asup ka European Masters 2020
, tapi éléh di babak kahiji kualifikasi ka Kurt Maflin, 5<unk>2. Muir ngahontal semifinal di 2020 WSF World Championship di Malta jeung EBSA European Championship di Portugal.