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 Rf5 win in 1 half-moves
3 Kb4 loss in 2 half-moves
4 Kb5 loss in 2 half-moves
5 Ra6 loss in 2 half-moves
6 Ra7 loss in 2 half-moves
7 Ra8 loss in 2 half-moves
8 Rb5 loss in 2 half-moves
9 Rc5 loss in 2 half-moves
10 Rd5 loss in 2 half-moves
11 Re5 loss in 2 half-moves
12 Rg5 loss in 2 half-moves
13 Rh5 loss in 2 half-moves
14 Ka3 loss in 1 half-moves