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

EGTB: win in 6 half-moves

# move score
1 Rb4 win in 5 half-moves
2 Ka7 draw
3 Rb1 draw
4 Rb2 draw
5 Rb3 draw
6 Rb5 draw
7 Rb7 draw
8 Rf6 draw
9 Rg6 draw
10 Rh6 draw
11 Kb8 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rc6 loss in 2 half-moves
23 Rd6 loss in 2 half-moves
24 Re6 loss in 2 half-moves
25 Kb7 loss in 1 half-moves