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

EGTB: win in 2 half-moves

# move score
1 Ka1 win in 1 half-moves
2 Ka2 win in 1 half-moves
3 Ra5 win in 1 half-moves
4 Rb8 win in 1 half-moves
5 Kb2 win in 3 half-moves
6 Kb4 win in 3 half-moves
7 Kb6 win in 3 half-moves
8 Kc1 win in 3 half-moves
9 Kc2 win in 3 half-moves
10 Kc4 win in 3 half-moves
11 Kc6 win in 3 half-moves
12 Kd4 win in 3 half-moves
13 Kd5 win in 3 half-moves
14 Kd6 win in 3 half-moves
15 Rb3 win in 3 half-moves
16 Rb4 win in 3 half-moves
17 Rb6 win in 3 half-moves
18 Rb7 win in 3 half-moves
19 Rb2 loss in 2 half-moves