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

EGTB: win in 4 half-moves

# move score
1 Kc6 win in 3 half-moves
2 Kcc4 win in 3 half-moves
3 Kd4 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Rb6 win in 3 half-moves
6 Kb6 win in 5 half-moves
7 Kd5 win in 5 half-moves
8 Rb7 win in 5 half-moves
9 Rb8 win in 5 half-moves
10 Ka3 loss in 2 half-moves
11 Ka4 loss in 2 half-moves
12 Ka5 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kbc4 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Ra5 loss in 2 half-moves