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

EGTB: win in 6 half-moves

# move score
1 Kb6 win in 5 half-moves
2 Rb1 draw
3 Rb2 draw
4 Kb8 loss in 2 half-moves
5 Kc5 loss in 2 half-moves
6 Kc8 loss in 2 half-moves
7 Kcc6 loss in 2 half-moves
8 Kcd7 loss in 2 half-moves
9 Kd5 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Kdc6 loss in 2 half-moves
12 Kdd7 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb8 loss in 2 half-moves