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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kc7 win in 5 half-moves
3 Ka2 draw
4 Kb4 draw
5 Kc8 draw
6 Kd7 draw
7 Ke7 draw
8 Ke8 draw
9 Ra2 draw
10 Rb1 draw
11 Re1 draw
12 Kb2 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Ka4 loss in 1 half-moves