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 Kd2 draw
3 Kd3 draw
4 Kd4 draw
5 Ke2 draw
6 Ke4 draw
7 Kf2 draw
8 Kf3 draw
9 Kf4 draw
10 Kf6 draw
11 Kf7 draw
12 Kf8 draw
13 Kg6 draw
14 Kg8 draw
15 Kh6 draw
16 Kh7 draw
17 Kh8 draw
18 Rc8 draw
19 Rd8 draw
20 Rg8 draw
21 Rh8 draw
22 Ra8 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Re6 loss in 2 half-moves
27 Re7 loss in 2 half-moves