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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb4 draw
3 Kb6 draw
4 Kd4 draw
5 Kd5 draw
6 Kd6 draw
7 Rd6 draw
8 Rh4 draw
9 Rh7 draw
10 Ka1 loss in 2 half-moves
11 Ka2 loss in 2 half-moves
12 Ka3 loss in 2 half-moves
13 Kb1 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kc1 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rc6 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Rf6 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves
28 Rh3 loss in 2 half-moves
29 Rh5 loss in 2 half-moves
30 Rh8 loss in 2 half-moves