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 Kf7 win in 5 half-moves
3 Kg4 win in 5 half-moves
4 Kf8 win in 7 half-moves
5 Kf4 win in 15 half-moves
6 Rg8 win in 15 half-moves
7 Kf3 win in 17 half-moves
8 Kh3 win in 23 half-moves
9 Kh4 win in 23 half-moves
10 Kd8 draw
11 Ke7 draw
12 Kf2 draw
13 Kg2 draw
14 Kh2 draw
15 Rh1 draw
16 Rh2 draw
17 Rh3 draw
18 Rh6 draw
19 Rh7 draw
20 Kd7 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Rh5 loss in 2 half-moves