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 Ka7 draw
3 Rb1 draw
4 Rb2 draw
5 Rb7 draw
6 Rc6 draw
7 Rd6 draw
8 Re6 draw
9 Rf6 draw
10 Rg6 draw
11 Rh6 draw
12 Ka5 loss in 2 half-moves
13 Kd1 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Ke1 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Kf1 loss in 2 half-moves
19 Kf2 loss in 2 half-moves
20 Kf3 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rb5 loss in 2 half-moves
24 Rb8 loss in 2 half-moves
25 Kb7 loss in 1 half-moves