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 Re8 win in 3 half-moves
4 Kc5 draw
5 Kc8 draw
6 Kcc7 draw
7 Kcd7 draw
8 Kd5 draw
9 Kd6 draw
10 Ke8 draw
11 Rf8 draw
12 Rg8 draw
13 Rh4 draw
14 Rh6 draw
15 Kb5 loss in 2 half-moves
16 Kdc7 loss in 2 half-moves
17 Kdd7 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Rh2 loss in 2 half-moves
21 Rh3 loss in 2 half-moves
22 Rh5 loss in 2 half-moves
23 Rh7 loss in 2 half-moves