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 Ke6 loss in 2 half-moves
3 Ke7 loss in 2 half-moves
4 Ke8 loss in 2 half-moves
5 Kf6 loss in 2 half-moves
6 Kfg7 loss in 2 half-moves
7 Kg6 loss in 2 half-moves
8 Kgg7 loss in 2 half-moves
9 Kh7 loss in 2 half-moves
10 Kh8 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves