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

EGTB: win in 6 half-moves

# move score
1 Kb7 win in 5 half-moves
2 Ka7 draw
3 Ka8 draw
4 Kc7 draw
5 Kc8 draw
6 Ke5 draw
7 Kg5 draw
8 Rg5 draw
9 Rh3 draw
10 Rh7 draw
11 Rh8 draw
12 Ke4 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Kg6 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rh2 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Rh6 loss in 2 half-moves