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

EGTB: win in 10 half-moves

# move score
1 Ra7 win in 9 half-moves
2 Ka7 draw
3 Kd2 draw
4 Kd3 draw
5 Kd4 draw
6 Ke2 draw
7 Ke4 draw
8 Kf2 draw
9 Kf3 draw
10 Kf4 draw
11 Rc8 draw
12 Rd8 draw
13 Re8 draw
14 Rf8 draw
15 Rg8 draw
16 Rh8 draw
17 Ka5 loss in 2 half-moves
18 Kb5 loss in 2 half-moves
19 Kb6 loss in 2 half-moves
20 Kb7 loss in 2 half-moves
21 Rb8 loss in 2 half-moves