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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kc7 win in 3 half-moves
5 Kc8 win in 3 half-moves
6 Rb8 win in 7 half-moves
7 Ra8 win in 13 half-moves
8 Ka4 draw
9 Ka6 draw
10 Kc6 draw
11 Ke7 draw
12 Ke8 draw
13 Rc8 draw
14 Rh8 draw
15 Kd6 loss in 2 half-moves
16 Ke6 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