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

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb5 draw
5 Kb6 draw
6 Kg6 draw
7 Kh5 draw
8 Ra7 draw
9 Rb7 draw
10 Rf7 draw
11 Rg7 draw
12 Kb4 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves