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 K5d6 win in 7 half-moves
3 K5e6 win in 7 half-moves
4 K5f6 win in 7 half-moves
5 Ke4 win in 7 half-moves
6 Kf4 win in 7 half-moves
7 Kf5 win in 7 half-moves
8 Kf7 win in 7 half-moves
9 Kf8 win in 7 half-moves
10 Kd7 win in 11 half-moves
11 Rg8 win in 11 half-moves
12 Rh8 win in 11 half-moves
13 Kd8 win in 13 half-moves
14 K7d6 draw
15 K7e6 draw
16 K7f6 draw
17 Rd8 draw
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rc8 loss in 2 half-moves