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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Rb6 draw
3 Rb7 draw
4 Rb8 draw
5 Kb2 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Kc4 loss in 2 half-moves
8 Kcd3 loss in 2 half-moves
9 Kcd4 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ked3 loss in 2 half-moves
15 Ked4 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Kf4 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rb5 loss in 2 half-moves