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

EGTB: win in 2 half-moves

# move score
1 Rc1 win in 1 half-moves
2 Kb5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kb7 win in 3 half-moves
5 Kc7 win in 3 half-moves
6 Kcd5 win in 3 half-moves
7 Kd6 win in 3 half-moves
8 Kd7 win in 3 half-moves
9 Ke4 win in 3 half-moves
10 Rb4 win in 3 half-moves
11 Kcc5 win in 7 half-moves
12 Ra4 win in 9 half-moves
13 Kc3 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kdc5 loss in 2 half-moves
16 Kdd5 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rc5 loss in 2 half-moves