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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rd8 win in 3 half-moves
3 K8d7 win in 5 half-moves
4 K8f7 win in 5 half-moves
5 K7f7 win in 7 half-moves
6 K8f8 win in 7 half-moves
7 K7d7 win in 9 half-moves
8 K7d8 win in 9 half-moves
9 K8d8 win in 9 half-moves
10 Rc8 win in 9 half-moves
11 K7f8 draw
12 Ra1 draw
13 Ra2 draw
14 Ra7 draw
15 Kd6 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves