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 Kcc6 win in 3 half-moves
4 Kcd6 win in 3 half-moves
5 Rh8 win in 3 half-moves
6 Kc7 draw
7 Kc8 draw
8 Kd5 draw
9 Kd8 draw
10 Kdc6 draw
11 Kdd6 draw
12 Ke6 draw
13 Ke7 draw
14 Ke8 draw
15 Rf5 draw
16 Rg5 draw
17 Rh6 draw
18 Rh7 draw
19 Kb4 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Rd5 loss in 2 half-moves
23 Re5 loss in 2 half-moves
24 Rh1 loss in 2 half-moves
25 Rh2 loss in 2 half-moves
26 Rh3 loss in 2 half-moves
27 Rh4 loss in 2 half-moves