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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Ka5 draw
3 Kb6 draw
4 Ra7 draw
5 Rf8 draw
6 Kb7 loss in 18 half-moves
7 Rb8 loss in 10 half-moves
8 Ka7 loss in 8 half-moves
9 Rh8 loss in 6 half-moves
10 Rc8 loss in 2 half-moves
11 Rd8 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rg8 loss in 2 half-moves