Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rc1 win in 1 half-moves
2 Ka3 draw
3 Rb1 draw
4 Rd1 draw
5 Re1 draw
6 Rf1 draw
7 Rg1 draw
8 Rh1 draw
9 Kb1 loss in 2 half-moves
10 Kb2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves