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 Kc7 win in 3 half-moves
4 Kcd6 win in 3 half-moves
5 Kd4 win in 3 half-moves
6 Kdd6 win in 3 half-moves
7 Rc4 win in 3 half-moves
8 Kd7 win in 5 half-moves
9 Ke6 win in 5 half-moves
10 Kb5 draw
11 Kc4 draw
12 Ra5 draw
13 Rb5 draw
14 Ke4 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves