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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kdd8 draw
5 Rd8 draw
6 Kc6 loss in 2 half-moves
7 Kdd6 loss in 2 half-moves
8 Kde6 loss in 2 half-moves
9 Ked6 loss in 2 half-moves
10 Ked8 loss in 2 half-moves
11 Kee6 loss in 2 half-moves
12 Kf6 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves