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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Ka4 draw
3 Kb2 draw
4 Rc1 draw
5 Ka2 loss in 2 half-moves
6 Kb3 loss in 2 half-moves
7 Ra2 loss in 2 half-moves
8 Rb1 loss in 2 half-moves
9 Rd1 loss in 2 half-moves
10 Re1 loss in 2 half-moves
11 Rf1 loss in 2 half-moves
12 Rg1 loss in 2 half-moves
13 Rh1 loss in 2 half-moves