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

EGTB: win in 2 half-moves

# move score
1 Kb3 win in 1 half-moves
2 Ka3 draw
3 Kb4 draw
4 Kb5 draw
5 Ra5 draw
6 Ra6 draw
7 Ra7 draw
8 Rb8 draw
9 Rc8 loss in 6 half-moves
10 Ka5 loss in 4 half-moves
11 Rd8 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rg8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves
15 Rf8 loss in 1 half-moves