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 Kb7 win in 3 half-moves
3 Rh7 win in 5 half-moves
4 Rh8 win in 5 half-moves
5 Kb8 draw
6 Kd4 draw
7 Kd5 draw
8 Kd6 draw
9 Ke6 draw
10 Kf4 draw
11 Kf5 draw
12 Kf6 draw
13 Rd6 draw
14 Rh3 draw
15 Rh4 draw
16 Rh5 draw
17 Ke4 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rh1 loss in 2 half-moves
25 Rh2 loss in 2 half-moves