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 K7d6 draw
4 K7d7 draw
5 K7f6 draw
6 K7f7 draw
7 Rf8 draw
8 Rg8 draw
9 Rh8 draw
10 K6d7 loss in 2 half-moves
11 K6f7 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 K6d6 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