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 Kd5 draw
3 Kd6 draw
4 Kd7 draw
5 Ke5 draw
6 Ke7 draw
7 Ra8 draw
8 Rb8 draw
9 Rd8 draw
10 Rf8 draw
11 Rg8 draw
12 Kf5 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rh8 loss in 2 half-moves