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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Kcd5 win in 3 half-moves
5 Kd6 win in 3 half-moves
6 Kd7 win in 3 half-moves
7 Rb4 win in 3 half-moves
8 Ke4 win in 9 half-moves
9 Ra4 win in 11 half-moves
10 Kb7 draw
11 Kcc5 draw
12 Kc3 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kdc5 loss in 2 half-moves
15 Kdd5 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rc5 loss in 2 half-moves