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

EGTB: win in 4 half-moves

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