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 K6b6 draw
3 K6b7 draw
4 K6d6 draw
5 Kc5 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Rg8 draw
10 Rh8 draw
11 K7b6 loss in 2 half-moves
12 K7d6 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 K6d7 loss in 1 half-moves
16 K7b7 loss in 1 half-moves
17 K7d7 loss in 1 half-moves
18 Kb5 loss in 1 half-moves
19 Kd5 loss in 1 half-moves
20 Ra8 loss in 1 half-moves