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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Kb3 win in 5 half-moves
3 Kb4 win in 7 half-moves
4 Kb7 win in 7 half-moves
5 Kc4 win in 7 half-moves
6 Rc8 win in 7 half-moves
7 Ka6 draw
8 Kb2 draw
9 Kb6 draw
10 Kb8 draw
11 Kc2 draw
12 Kd3 draw
13 Kd4 draw
14 Rd8 draw
15 Re8 draw
16 Kd2 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves