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

EGTB: win in 2 half-moves

# move score
1 Rc8 win in 1 half-moves
2 Kd8 loss in 6 half-moves
3 Kd7 loss in 2 half-moves
4 Ke7 loss in 2 half-moves
5 Kf7 loss in 2 half-moves
6 Kf8 loss in 2 half-moves
7 Ra2 loss in 2 half-moves
8 Ra3 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Ra1 loss in 1 half-moves