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

EGTB: win in 4 half-moves

# move score
1 Kb8 win in 3 half-moves
2 Kd6 win in 3 half-moves
3 Kd8 win in 3 half-moves
4 Rb8 win in 9 half-moves
5 K6b7 draw
6 K6c7 draw
7 K6d7 draw
8 K8b7 draw
9 K8c7 draw
10 K8d7 draw
11 Ra6 draw
12 Rb7 draw
13 Kb5 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves