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

EGTB: win in 4 half-moves

# move score
1 Ka8 win in 3 half-moves
2 Kbb8 win in 3 half-moves
3 Ra6 win in 3 half-moves
4 Kcc7 win in 13 half-moves
5 Ra8 win in 13 half-moves
6 Ka6 draw
7 Kb6 draw
8 Kbc7 draw
9 Kc6 draw
10 Kcb8 draw
11 Kd7 draw
12 Kd8 draw
13 Ra1 draw
14 Ra5 draw
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves