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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kd7 win in 3 half-moves
4 Ke7 win in 3 half-moves
5 Re6 win in 3 half-moves
6 Rh7 win in 3 half-moves
7 Rh8 win in 3 half-moves
8 Kb7 win in 5 half-moves
9 Kc7 win in 5 half-moves
10 Kc8 win in 5 half-moves
11 Ka8 draw
12 Kb8 draw
13 Ke8 draw
14 Rd6 draw
15 Rf6 draw
16 Rg6 draw
17 Rh3 draw
18 Rh4 draw
19 Rh5 draw
20 Ra6 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rc6 loss in 2 half-moves
23 Rh1 loss in 2 half-moves
24 Rh2 loss in 2 half-moves