Rubuta ci gaba don wannan sakin layi - Micka ya cancanci yin wasan maza na 1500 m freestyle
, a matsayin mafi ƙanƙanta na Czech Republic (yana da shekaru 17), a wasannin Olympics na 2012 a London, ta hanyar haskaka lokacin shigarwa na FINA B na 15:28.49 daga gasar zakarun Turai ta matasa a Antwerp, Belgium. Ya kalubalanci wasu 'yan wasa shida a zagayen farko, gami da dan wasan Olympics sau biyu Ediz Yıldırımer na Turkiyya. Micka ya shawo kan dan Iceland Anton Sveinn McKee don ya ɗauki matsayi na biyu da kashi ɗari shida na biyu (0.06) a cikin 15:29.34. Micka ya kasa ci gaba zuwa wasan karshe, yayin da ya sanya na ashirin da hudu a cikin wasan farko.