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 Ka8 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kbb8 win in 3 half-moves
5 Ra6 win in 3 half-moves
6 Kcb8 win in 7 half-moves
7 Kcc7 win in 7 half-moves
8 Kd7 win in 7 half-moves
9 Kd8 win in 7 half-moves
10 Ra5 win in 7 half-moves
11 Kbc7 draw
12 Kc6 draw
13 Ra4 draw
14 Ra8 draw
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 2 half-moves