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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kb4 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kb7 win in 3 half-moves
5 Kb8 win in 3 half-moves
6 Kc4 win in 3 half-moves
7 Kc6 win in 3 half-moves
8 Kc7 win in 3 half-moves
9 Kd4 win in 3 half-moves
10 Kd6 win in 3 half-moves
11 Kd7 win in 3 half-moves
12 Rb1 win in 3 half-moves
13 Rb2 win in 3 half-moves
14 Rb4 win in 3 half-moves
15 Rb6 win in 3 half-moves
16 Rb8 win in 3 half-moves
17 Kd5 win in 5 half-moves
18 Kd8 win in 5 half-moves
19 Ra5 win in 5 half-moves
20 Rb7 loss in 2 half-moves