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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Kg7 win in 3 half-moves
6 Rb7 win in 3 half-moves
7 Rd7 win in 3 half-moves
8 Kc6 win in 5 half-moves
9 Kg6 win in 5 half-moves
10 Kg8 win in 5 half-moves
11 Re7 win in 5 half-moves
12 Kc4 win in 7 half-moves
13 Kb4 win in 9 half-moves
14 Kd4 win in 9 half-moves
15 Ke7 win in 11 half-moves
16 Ra7 win in 13 half-moves
17 Ke6 loss in 2 half-moves
18 Ke8 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Kf8 loss in 2 half-moves
21 Rc6 loss in 2 half-moves
22 Rc8 loss in 2 half-moves