Kamilisha sentensi ifuatayo: Slafkovský alishinda medali kumi na mbili katika ICF Canoe Slalom World Championships na dhahabu kumi (C1 timu: 2003,
2009, 2010, 2011, 2013, 2014, 2015, 2017, 2018, 2019) na fedha mbili (C1: 2013, 2017). Katika Mashindano ya Ulaya alishinda jumla ya medali 21 (12 dhahabu, 6 fedha na 3 shaba). Slafkovský pia alishinda taji la jumla la Kombe la Dunia katika darasa la C1 mnamo 2012, 2016 na 2018.