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

EGTB: win in 4 half-moves

# move score
1 Kb8 win in 3 half-moves
2 Kcc8 draw
3 Kcd7 draw
4 Kdc8 draw
5 Kdd7 draw
6 Ke7 draw
7 Ke8 draw
8 Ra1 draw
9 Re1 draw
10 Rf1 draw
11 Rg1 draw
12 Rh2 draw
13 Rh7 draw
14 Rh8 draw
15 Kb6 loss in 2 half-moves
16 Kb7 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rc1 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Rh3 loss in 2 half-moves
23 Rh4 loss in 2 half-moves
24 Rh5 loss in 2 half-moves
25 Rh6 loss in 2 half-moves