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