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