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 Kc4 win in 3 half-moves
3 Kc5 win in 3 half-moves
4 Rb8 win in 5 half-moves
5 Kb6 win in 7 half-moves
6 Kd5 win in 7 half-moves
7 Ke4 win in 9 half-moves
8 Ke5 win in 11 half-moves
9 Ka6 draw
10 Kb8 draw
11 Rd8 draw
12 Rh8 draw
13 Kc3 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves