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