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