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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Rb1 win in 1 half-moves
3 Kb4 win in 3 half-moves
4 Kc2 win in 3 half-moves
5 Kc5 win in 3 half-moves
6 Kc6 win in 3 half-moves
7 Kcc4 win in 3 half-moves
8 Kcd4 win in 3 half-moves
9 Kd2 win in 3 half-moves
10 Kdc4 win in 3 half-moves
11 Kdd4 win in 3 half-moves
12 Ke4 win in 3 half-moves
13 Ke5 win in 3 half-moves
14 Rb2 win in 3 half-moves
15 Rb4 win in 3 half-moves
16 Rb5 win in 3 half-moves
17 Rb6 win in 3 half-moves
18 Kd3 win in 9 half-moves
19 Kd6 win in 9 half-moves
20 Kb2 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rb8 loss in 2 half-moves