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

EGTB: win in 4 half-moves

# move score
1 K8c7 win in 3 half-moves
2 K8e7 win in 3 half-moves
3 K7e7 win in 5 half-moves
4 K7e8 win in 5 half-moves
5 K8e8 win in 5 half-moves
6 Ra6 win in 5 half-moves
7 Kc6 win in 13 half-moves
8 K7c7 draw
9 K7c8 draw
10 K8c8 draw
11 Kd6 draw
12 Ra4 draw
13 Ra5 draw
14 Ra7 draw
15 Rb8 draw
16 Ke6 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Rc8 loss in 2 half-moves