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

EGTB: win in 4 half-moves

# move score
1 Rh5 win in 3 half-moves
2 Rh6 win in 3 half-moves
3 Rh7 win in 3 half-moves
4 Rh8 win in 3 half-moves
5 Rb1 draw
6 Rc1 draw
7 Rd1 draw
8 Rg1 draw
9 Rh4 draw
10 Ka5 loss in 2 half-moves
11 Ka6 loss in 2 half-moves
12 Kaa7 loss in 2 half-moves
13 Kab7 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Kba7 loss in 2 half-moves
17 Kbb7 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Kc7 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rh2 loss in 2 half-moves
25 Rh3 loss in 2 half-moves