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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kcc6 win in 3 half-moves
4 Kcd6 win in 3 half-moves
5 Rf4 win in 3 half-moves
6 Rf6 win in 3 half-moves
7 Rf8 win in 3 half-moves
8 Ke5 win in 5 half-moves
9 Ke6 win in 5 half-moves
10 Rd7 win in 5 half-moves
11 Re7 win in 9 half-moves
12 Rg7 win in 11 half-moves
13 Rh7 win in 11 half-moves
14 Kb8 draw
15 Kc5 draw
16 Kc8 draw
17 Kd7 draw
18 Kd8 draw
19 Kdc6 draw
20 Kdd6 draw
21 Rf3 draw
22 Rf5 draw
23 Kc4 loss in 2 half-moves
24 Kd4 loss in 2 half-moves
25 Ke4 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rf2 loss in 2 half-moves