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

EGTB: win in 4 half-moves

# move score
1 K8d7 win in 3 half-moves
2 Kd6 win in 3 half-moves
3 Kd8 win in 3 half-moves
4 Kb8 win in 7 half-moves
5 K8b7 draw
6 K8c7 draw
7 Ra6 draw
8 Rb8 draw
9 K6b7 loss in 2 half-moves
10 K6c7 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 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb7 loss in 2 half-moves