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 Kcd4 win in 3 half-moves
3 Kcc4 win in 5 half-moves
4 Kdc4 win in 5 half-moves
5 Kdd6 win in 5 half-moves
6 Rc6 win in 5 half-moves
7 Kcc6 win in 7 half-moves
8 Kdc6 win in 7 half-moves
9 Kdd4 draw
10 Rc8 draw
11 Rd7 draw
12 Rf7 draw
13 Kb5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kcd6 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rh7 loss in 2 half-moves