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

EGTB: win in 14 half-moves

# move score
1 Kb5 win in 13 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kc1 draw
5 Kc5 draw
6 Ke1 draw
7 Ra1 draw
8 Rb6 draw
9 Rb8 draw
10 Rc1 draw
11 Kc2 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb7 loss in 2 half-moves