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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Ka3 draw
5 Kb8 draw
6 Kd7 draw
7 Kd8 draw
8 Ra2 draw
9 Ra3 draw
10 Rd1 draw
11 Kb3 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves