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

EGTB: win in 4 half-moves

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