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 Ka5 draw
3 Ra7 draw
4 Ra8 draw
5 Rb6 draw
6 Rc6 draw
7 Kb4 loss in 2 half-moves
8 Kb5 loss in 2 half-moves
9 Ra5 loss in 2 half-moves
10 Rd6 loss in 2 half-moves
11 Re6 loss in 2 half-moves
12 Rf6 loss in 2 half-moves
13 Rg6 loss in 2 half-moves
14 Rh6 loss in 2 half-moves
15 Ka3 loss in 1 half-moves