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

EGTB: win in 4 half-moves

# move score
1 Kgh3 win in 3 half-moves
2 Rg5 win in 3 half-moves
3 Kgg3 win in 5 half-moves
4 Khg3 win in 5 half-moves
5 Khh3 win in 5 half-moves
6 Kgg5 draw
7 Khg5 draw
8 Khh5 draw
9 Ra7 draw
10 Re7 draw
11 Rg6 draw
12 Rg8 draw
13 Rh7 draw
14 Kf3 loss in 2 half-moves
15 Kf4 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kgh5 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves