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

EGTB: win in 6 half-moves

# move score
1 K7c8 win in 5 half-moves
2 K7e8 win in 5 half-moves
3 Rc7 win in 5 half-moves
4 K7c7 draw
5 K7e7 draw
6 K8c7 draw
7 K8c8 draw
8 K8e7 draw
9 K8e8 draw
10 Ra1 draw
11 Ra2 draw
12 Ra8 draw
13 Rb7 draw
14 Kc6 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves