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 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Ke6 draw
6 Ke7 draw
7 Ke8 draw
8 Ra8 draw
9 Rc8 draw
10 Rg8 draw
11 Kd6 loss in 4 half-moves
12 Re8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves