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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kcd5 win in 3 half-moves
4 Kd4 win in 3 half-moves
5 Rb7 win in 3 half-moves
6 Rd7 win in 5 half-moves
7 Kb6 win in 7 half-moves
8 Kc4 win in 7 half-moves
9 Ra7 win in 7 half-moves
10 Kd7 win in 9 half-moves
11 Kdc6 win in 9 half-moves
12 Kcc6 draw
13 Kdd5 draw
14 Rc6 draw
15 Rc8 draw
16 Ke5 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves