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

EGTB: win in 4 half-moves

# move score
1 Kf7 win in 3 half-moves
2 Kf8 win in 3 half-moves
3 Rf8 win in 3 half-moves
4 Kgg7 win in 7 half-moves
5 Kg6 draw
6 Kgh8 draw
7 Kh6 draw
8 Khg7 draw
9 Khh8 draw
10 Rc8 draw
11 Rd8 draw
12 Re1 draw
13 Re6 draw
14 Re7 draw
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves