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 Rg5 win in 5 half-moves
3 Rh7 win in 7 half-moves
4 Rh8 win in 7 half-moves
5 Ka7 draw
6 Ka8 draw
7 Kc7 draw
8 Kc8 draw
9 Ke4 draw
10 Ke5 draw
11 Kf4 draw
12 Kg4 draw
13 Kg5 draw
14 Rh4 draw
15 Ke6 loss in 2 half-moves
16 Kf6 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 Rh3 loss in 2 half-moves
21 Rh6 loss in 2 half-moves