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 Kc6 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Kc8 win in 3 half-moves
5 Rh5 win in 3 half-moves
6 Rh6 win in 3 half-moves
7 Rh7 win in 3 half-moves
8 Rh8 win in 31 half-moves
9 Ka6 draw
10 Kb6 draw
11 Kd6 draw
12 Kd8 draw
13 Ke6 draw
14 Ke7 draw
15 Ke8 draw
16 Ra4 draw
17 Rb4 draw
18 Rf4 draw
19 Rg4 draw
20 Rh3 draw
21 Ka4 loss in 2 half-moves
22 Kb4 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rd4 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves