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 Kcb6 win in 3 half-moves
3 Rd8 win in 3 half-moves
4 Kb5 win in 5 half-moves
5 Kb8 win in 5 half-moves
6 Ra8 win in 5 half-moves
7 Ka4 win in 7 half-moves
8 Ka6 win in 7 half-moves
9 Kab6 win in 7 half-moves
10 Kb4 win in 9 half-moves
11 Rh8 win in 17 half-moves
12 Kc6 draw
13 Kd8 draw
14 Rb8 draw
15 Kd6 loss in 2 half-moves
16 Kd7 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