Prokhorov / Kachalina, RUS | GrandSlam Moscow R2 Q Ivan Prokhorov / Ekaterina Kachalina, RUS, dance the Quickstep in the second round of the 2012 WDSF GrandSlam Standard Moscow on 26 October. ivan rus 2012 moscow ekaterina round quickstep gs r2 std second october prokhorov kachalina