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

EGTB: win in 6 half-moves

# move score
1 K7c7 win in 5 half-moves
2 K7c8 win in 5 half-moves
3 Kc6 win in 5 half-moves
4 Ra7 win in 5 half-moves
5 Kb6 win in 9 half-moves
6 K7a7 draw
7 K8c8 draw
8 Ka6 draw
9 K8a7 loss in 2 half-moves
10 K8c7 loss in 2 half-moves
11 Ra1 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra6 loss in 2 half-moves