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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Ka7 win in 3 half-moves
3 Ka8 win in 3 half-moves
4 Kc6 win in 3 half-moves
5 Kc7 win in 3 half-moves
6 Kc8 win in 3 half-moves
7 Kf7 win in 3 half-moves
8 Ra8 win in 3 half-moves
9 Rc8 win in 3 half-moves
10 Rd8 win in 3 half-moves
11 Kf8 win in 7 half-moves
12 Kb6 win in 19 half-moves
13 Kd8 draw
14 Kd7 loss in 2 half-moves
15 Ke7 loss in 2 half-moves