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

EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Kb8 win in 5 half-moves
3 Ke7 win in 5 half-moves
4 Kcd7 draw
5 Kcd8 draw
6 Ked7 draw
7 Ked8 draw
8 Kf7 draw
9 Kf8 draw
10 Rg1 draw
11 Rg2 draw
12 Rg3 draw
13 Rg7 draw
14 Rh8 draw
15 Kb7 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg6 loss in 2 half-moves