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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Kc8 win in 3 half-moves
5 Kcd6 win in 3 half-moves
6 Kd7 win in 3 half-moves
7 Kd8 win in 3 half-moves
8 Rb5 win in 3 half-moves
9 Ra5 win in 7 half-moves
10 Kcc6 draw
11 Rc6 draw
12 Kc4 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kdc6 loss in 2 half-moves
15 Kdd6 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rc4 loss in 2 half-moves