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

EGTB: win in 4 half-moves

# move score
1 Ka7 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kc7 win in 3 half-moves
5 Kc8 win in 3 half-moves
6 Kd8 win in 3 half-moves
7 Rc8 win in 3 half-moves
8 Re8 win in 3 half-moves
9 Rh6 win in 3 half-moves
10 Rh7 win in 3 half-moves
11 Kb7 win in 5 half-moves
12 Ke8 win in 5 half-moves
13 Ra8 win in 5 half-moves
14 Rd8 win in 5 half-moves
15 Ka5 win in 9 half-moves
16 Kc6 win in 9 half-moves
17 Kd6 win in 9 half-moves
18 Rf8 win in 9 half-moves
19 Ke6 win in 11 half-moves
20 Ke7 win in 11 half-moves
21 Rg8 draw
22 Rh3 draw
23 Rh4 draw
24 Rh5 draw
25 Rb8 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves