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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kc6 win in 3 half-moves
3 Kc7 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Ke6 win in 3 half-moves
6 Rd8 win in 3 half-moves
7 Kc5 win in 5 half-moves
8 Rh6 win in 5 half-moves
9 Ka7 draw
10 Ka8 draw
11 Kc8 draw
12 Ke5 draw
13 Re8 draw
14 Rf8 draw
15 Rg8 draw
16 Rh3 draw
17 Rh4 draw
18 Rh5 draw
19 Rh7 draw
20 Kc4 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rh1 loss in 2 half-moves
25 Rh2 loss in 2 half-moves