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

EGTB: win in 4 half-moves

# move score
1 K8b7 win in 3 half-moves
2 K8d7 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Kc6 win in 7 half-moves
5 Kd6 win in 7 half-moves
6 Rb7 win in 11 half-moves
7 K8d8 win in 13 half-moves
8 K7b7 draw
9 K7d7 draw
10 K7d8 draw
11 Kb6 draw
12 Ra8 draw
13 Rb1 draw
14 Rb5 draw
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves