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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kb5 draw
3 Ra6 draw
4 Rb7 draw
5 Ra8 loss in 6 half-moves
6 Rd7 loss in 6 half-moves
7 Ka4 loss in 2 half-moves
8 Kb4 loss in 2 half-moves
9 Rc7 loss in 2 half-moves
10 Re7 loss in 2 half-moves
11 Rf7 loss in 2 half-moves
12 Rg7 loss in 2 half-moves
13 Ka6 loss in 1 half-moves
14 Rh7 loss in 1 half-moves