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