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

EGTB: win in 4 half-moves

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