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

EGTB: win in 2 half-moves

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