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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Rd3 win in 1 half-moves
3 Re3 win in 1 half-moves
4 Rf3 win in 1 half-moves
5 Kb3 loss in 2 half-moves
6 Kb4 loss in 2 half-moves
7 Ra1 loss in 2 half-moves
8 Ra2 loss in 2 half-moves
9 Rb3 loss in 2 half-moves
10 Rc3 loss in 2 half-moves
11 Rg3 loss in 2 half-moves
12 Rh3 loss in 2 half-moves
13 Ka5 loss in 1 half-moves