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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kb3 win in 3 half-moves
3 Kc1 win in 3 half-moves
4 Kc3 win in 3 half-moves
5 Ra1 win in 3 half-moves
6 Ra3 win in 3 half-moves
7 Ra4 win in 3 half-moves
8 Ka6 win in 7 half-moves
9 Kd3 win in 15 half-moves
10 Kb2 win in 17 half-moves
11 Kb6 win in 19 half-moves
12 Kd1 win in 19 half-moves
13 Kd2 win in 19 half-moves
14 Ka4 win in 23 half-moves
15 Kb4 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Rb2 loss in 2 half-moves