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

EGTB: win in 6 half-moves

# move score
1 Kb6 win in 5 half-moves
2 Kb7 win in 5 half-moves
3 Kb8 win in 5 half-moves
4 Kd6 win in 5 half-moves
5 Kd7 win in 5 half-moves
6 Kd8 win in 5 half-moves
7 Rb8 win in 5 half-moves
8 Rd8 win in 5 half-moves
9 Kg7 win in 7 half-moves
10 Kg8 win in 7 half-moves
11 Kc6 win in 15 half-moves
12 Re8 win in 17 half-moves
13 Ra8 win in 19 half-moves
14 Ke8 draw
15 Ke7 loss in 2 half-moves
16 Kf7 loss in 2 half-moves