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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Kb7 win in 3 half-moves
4 Kc5 win in 3 half-moves
5 Kc7 win in 3 half-moves
6 Ke5 win in 3 half-moves
7 Ke7 win in 3 half-moves
8 Ked5 win in 3 half-moves
9 Ked6 win in 3 half-moves
10 Ked7 win in 3 half-moves
11 Kf5 win in 3 half-moves
12 Kf6 win in 3 half-moves
13 Kf7 win in 3 half-moves
14 Rb4 win in 3 half-moves
15 Rb5 win in 3 half-moves
16 Rb7 win in 3 half-moves
17 Rb8 win in 3 half-moves
18 Kb5 win in 9 half-moves
19 Kcd5 win in 9 half-moves
20 Kcd6 win in 9 half-moves
21 Kcd7 win in 9 half-moves
22 Rb1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves