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

EGTB: win in 4 half-moves

# move score
1 Kd5 win in 3 half-moves
2 Kd6 win in 3 half-moves
3 Kf5 win in 3 half-moves
4 Kf6 win in 3 half-moves
5 Kf7 win in 3 half-moves
6 Rf8 win in 17 half-moves
7 Kc2 draw
8 Kc3 draw
9 Kd2 draw
10 Kd4 draw
11 Kd7 draw
12 Ke2 draw
13 Ke3 draw
14 Ke4 draw
15 Ke5 draw
16 Ke7 draw
17 Rc8 draw
18 Rd8 draw
19 Rg8 draw
20 Rh8 draw
21 Kc4 loss in 2 half-moves
22 Ra8 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Re7 loss in 2 half-moves