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 Rb8 win in 9 half-moves
4 Ke8 win in 25 half-moves
5 Ka5 win in 27 half-moves
6 Ka7 win in 29 half-moves
7 Kb5 draw
8 Kg7 draw
9 Kg8 draw
10 Rc8 draw
11 Rd8 draw
12 Re8 draw
13 Ke7 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Ra7 loss in 2 half-moves