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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Rc6 win in 1 half-moves
3 Ra7 draw
4 Ra8 draw
5 Kb5 loss in 2 half-moves
6 Kb6 loss in 2 half-moves
7 Rb6 loss in 2 half-moves
8 Rd6 loss in 2 half-moves
9 Re6 loss in 2 half-moves
10 Rf6 loss in 2 half-moves
11 Rg6 loss in 2 half-moves
12 Rh6 loss in 2 half-moves
13 Ka4 loss in 1 half-moves