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

EGTB: win in 2 half-moves

# move score
1 Ka3 win in 1 half-moves
2 Kc3 win in 1 half-moves
3 Rb8 win in 1 half-moves
4 Rd6 win in 1 half-moves
5 Ka4 loss in 2 half-moves
6 Ka5 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kc4 loss in 2 half-moves
9 Kc5 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rh6 loss in 2 half-moves
18 Kb3 loss in 1 half-moves