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

EGTB: win in 10 half-moves

# move score
1 Kc4 win in 9 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kc5 draw
5 Kc6 draw
6 Kd4 draw
7 Kd6 draw
8 Ke6 draw
9 Ra7 draw
10 Rd8 draw
11 Rf8 draw
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves