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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Kc4 win in 5 half-moves
3 Kdc6 win in 5 half-moves
4 Kdd6 win in 5 half-moves
5 Ke6 win in 5 half-moves
6 Kc5 win in 7 half-moves
7 Kd4 draw
8 Kd7 draw
9 Ra7 draw
10 Kb6 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Kcc6 loss in 2 half-moves
14 Kcd6 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb8 loss in 2 half-moves