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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 K5c6 draw
3 K7c6 draw
4 Kc5 draw
5 Rd6 draw
6 K5a6 loss in 2 half-moves
7 K7a6 loss in 2 half-moves
8 Ka4 loss in 2 half-moves
9 Ka5 loss in 2 half-moves
10 Ka7 loss in 2 half-moves
11 Ka8 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves