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 K6f6 draw
3 K7d7 draw
4 K7f6 draw
5 K7f7 draw
6 Rf8 draw
7 Rg8 draw
8 Rh8 draw
9 K6d7 loss in 2 half-moves
10 K6f7 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 K6d6 loss in 1 half-moves
15 K7d6 loss in 1 half-moves
16 Kd8 loss in 1 half-moves
17 Kf8 loss in 1 half-moves
18 Ra8 loss in 1 half-moves
19 Rc8 loss in 1 half-moves
20 Rd8 loss in 1 half-moves